1-Step Metric Conversion Calculator|http://www.shaban.com/|com|Manufactures a calculator that translates between U.S. measurements and the rest of the world.|shaban|none+none+none+none+calculators
3D-Filmstrip|http://rsp.math.brandeis.edu/3D-Filmstrip_html/3D-FilmstripHomePage.html|edu|A mathematical visualization program for computers running version 7 or later of MacOS.  Available by anonymous ftp.   Includes a large online galler of images created with the program, with pseudospheres, minimal surfaces, etc.|Brandeis Univ.|none+none+none+none+software
A Brief History of Algebra and Computing|http://www.comlab.ox.ac.uk/oucl/users/jonathan.bowen/algebra/|edu|Beautiful online history of algebra, accessible and informative, with many links to related sites.|Oxford|none+none+none+none+history+algebra
A World Of Kindergartens|http://www.iup.edu/~njyost/KHI/KHI.htmlx|k-12|Has teaching resources for kindergarten teachers.|none|pedagogy+none+none+none+none
A+ Math|http://www.aplusmath.com/|com|Games, flashcards and homework helper to help students improve their math skills.  Includes an interactive online problem set in arithmetic suitable for primary grades students.|aplusmath|instructional aids+tutorials+none+none+none
Abacus, The|http://www.ee.ryerson.ca:8080/~elf/abacus/|edu|Exquisite site on the abacus, with historical info, Java applets, instructions for using an abacus, etc.  Highly recommended.||none+none+none+none+abacus
Abbott and Costello's Wacky Math|http://www.maa.org/mathland/mathtrek_3_27_00.html|soc|Ivars Peterson's pages on the MAA site include this delightful rundown of numbers jokes in old Abbott and Costello movies.|none|humor+none+none+none+none
Abramovich, Dan|http://math.bu.edu/people/abrmovic/|pers|Large collection of papers available by ftp in postscript or dvi.|Boston Univ.|none+none+none+none+algebraic geometry+number theory
Abstract Algebra Online|http://www.math.niu.edu/~beachy/aaol/|com|This site contains many of the definitions and theorems from the area of mathematics generally called abstract algebra. It is intended for undergraduate students taking an abstract algebra class at the junior/senior level, as well as for students taking their first graduate algebra course.|none|none+none+none+none+none
Abstract Algebra, 2nd Edition|http://www.math.niu.edu/~beachy/abstract_algebra/|edu|An introductory online textbook in abstract algebra.  Nicely executed for online use.|NIU|none+none+none+none+modern algebra
Academic Press|http://www.apnet.com/|com|Homepage of Academic Press, which publishes a wide range of mathematical titles. Full service site.|apnet|books+publishers+none+none+none
ACEPT: Arizona Collaborative For Excellence In The Preparation Of Teachers, The|http://acept.la.asu.edu/|k-12|ACEPT has implemented math and science reforms that are affecting the preparation of K-12 teachers in Arizona.|none|pedagogy+none+none+none+none
Acer (Computers)|http://www.acer.com/aac/index.htm|com|Major manufacturer of desktop and laptop computers.|acer|computers+none+none+none+none
Achieve Software|http://members.aol.com/achievesft/arithm.html|com|Software for children to develop their math skills on their home computer.|Achieve|commercial software+software+none+none+none
Acme Klein Bottle|http://www.kleinbottle.com/|com|Company manufactures Klein bottles and other surfaces in borosilicate glass.  Beautifully done, reasonably priced, and can be ordered online.  The site is a humorous read, too.|none|gifts/goods+topology+humor+none+none
Acta Mathematica Scientia|http://www.baltzer.nl/acmas/acmas.html|jour|Home page of this Chinese paper journal.|Baltzer|none+none+none+none+none
Addington, Susan|http://www.math.csusb.edu/faculty/susan/|pers|Outstanding resources in modular arithmetic and other number theoretic topics accessible to primary and secondary grades.  Should be especially useful to teachers.|Calif State at San Bernardino|none+none+none+none+number theory+instructional aids+visual
Addison Wesley|http://www.awlonline.com/aw/|com|Homepage of this major publisher of mathematical and other textbooks.  Full service site.|awl|books+publishers+none+none+none
Adem, Alejandro|http://kleene.math.wisc.edu/~adem/|pers|Papers available include “Essential Cohomology of Finite Groups” and “Elementary Abelian Groups Acting on Products of Spheres.”|Univ of Wisconsin|none+none+none+none+cohomology
Adept Scientific|http://www.adeptscience.co.uk/|com|Company provides a suite of software products for scientific computing.|adeptscience|commercial software+software+none+none+commercial software
Advances in Computational Mathematics|http://www.baltzer.nl/adcom/adcom.html|jour|Home page of this paper journal, with information on back-issue contents.|Baltzer|none+none+none+none+algorithms
Aleph0|http://aleph0.clarku.edu/aleph0.html|edu|A brief overview of mathematical infinity|Clark University|none+none+none+none+set theory+infinity
Alfeld, Peter|http://www.math.utah.edu/~alfeld/|pers|Exceptional page loaded with resources, including a general online study guide for math students, interactive applets on fractals, primes, platonic solids, random numbers, and more, and many downloadable papers.  Outstanding pedagogical resource.|Univ of Utah|none+none+none+none+math anxiety+fractals+primes+pi+software
Algae Programming Language, The|http://www.eskimo.com/~ksh/algae/index.html|com|A high level interpreted language for numerical analysis; borrows from languages like MATLAB and APL, developed to be a free, efficient, and versatile language capable of handling large problems.|Eskima|commercial software+software+numerical analysis+none+none
Algebra|http://www.seanet.com/~ksbrown/ialgebra.htm|edu|A large collection of articles on topics in algebra, such as tensors, asymptotic regression, and many more, by Kevin Brown.||none+none+none+none+modern algebra
Algebra and Number Theory Group at Boston Univ.|http://math.bu.edu/research/algebra/|edu|The home page of the algebra and number theory research group at Boston Univ.|Boston Univ.|none+none+none+none+modern algebra+number theory
Algebra Story and Word Problems|http://www2.hawaii.edu/suremath/intro_algebra.html|edu|A large collection of basic algebra word problems for skills building.  For secondary and college level students.|Univ of Hawaii|none+none+none+none+problems
Algebra, Number Theory, and Algebraic Number Theory|http://hasse.mathematik.tu-muenchen.de/Welcome.html|edu|Resource page with preprints and links to other resources.|Munich Tech Univ|none+none+none+none+modern algebra+algebraic number theory
Algebraic Number Theory Preprint Archives|http://www.math.uiuc.edu/Algebraic-Number-Theory/|edu|Accepts submissions of preprints in electronic form for storage until publication.|Univ. of Ill. at Urbana-Champaign|none+none+none+none+algebraic number theory
Allegan County Area Math And Science Reform|http://www.accn.org/~acamsec/|k-12|Includes lesson plans and teaching resources.|none|lesson plans+none+none+none+none
Allied Video Corporation|http://www.alliedvd.com/|com|Company offers educational videos, softwage packages, and web support for mathematics education.|Allied|instructional aids+video+none+none+none
Alternative Parentings Lesson Plan Home Page|http://www.alternativeparenting.com/lesson_plans/|k-12|Lesson plans for grades K-6|none|lesson plans+pedagogy+none+none+none
Amazing Mathematical Object Factory|http://sue.csc.uvic.ca/~cos/amof/|edu|Beautifully designed site has interactive online programs for learning about subsets, combinations, purmutations, pentominoes, partitions, the Fibonacci sequence, and more.|none|combinatorics+instructional aids+none+none+none
American Association for the Advancement of Science|http://www.aaas.org/|soc|General homepage.  Publishes the journal “Science.”|AAAS|none+none+none+none+none
American Journal of Mathematics|http://muse.jhu.edu/journals/american_journal_of_mathematics/index.html|jour|Oldest math journal in the US, now with selected portions online from Johns Hopkins University. Uses PDF format for viewing.|Johns Hopkins|none+none+none+none+none
American Mathematical Society|http://www.ams.org/|soc|Highly developed site with diverse resources available.|AMS|none+none+none+none+none
American Mathematics Competitions (AMC)|http://www.unl.edu/amc/|k-12|The home page of the American Mathematics Competitions. Includes information about the AMC, how to register, and has practice problems.|none|none+none+none+none+none
American Scientist|http://www.amsci.org/amsci/amsci.html|com|The online version of this magazine of Sigma Xi, the scientific research society.  Excellent online resources.|amsci|magazines+none+none+none+none
American Statistical Association|http://www.amstat.org/|soc|A long established mathematical society.  This site is well developed and offers a wealth of information and resources for the statistics community.|Amstat|none+none+none+none+statistics
Analysis WebNotes|http://www.math.unl.edu/~webnotes/contents/contents.htm|edu|A complete online course in beginning real analysis / advanced calculus.  Nicely put together.|Univ. Nebraska|none+none+none+none+real analysis+calculus+courseware: colle
Angenent, Sigurd|http://kleene.math.wisc.edu/~angenent/|pers|Recent papers include “Inflection points, extatic points and Curve Shortening” and “On the affine head equation for nonconvex curves.”||none+none+none+none+hamiltonian systems
Annals of Mathematics and Artificial Intelligence|http://www.baltzer.nl/amai/amai.html|jour|Home page of this paper journal devoted to the use of mathematics and computational techniques in artificial intelligence research.|Baltzer|none+none+none+none+artificial intelligence
Annals of Operations Research|http://www.baltzer.nl/anor/anor.html|jour|Home page of this paper journal.  Journal is online to subscribing institutions.|Baltzer|none+none+none+none+operations research
Apple (Computers)|http://www.apple.com/|com|Home page of Apple.  Full-featured site, with many products and features targeted for educators and students.|apple|computers+none+none+none+none
Applied Algebra Group at Linz|http://bruckner.stoch.uni-linz.ac.at/|edu|Home page of this research group, with information and resources.|Univ Linz|none+none+none+none+rings+modern algebra
Applied Math Institute|http://rigel.math.ualberta.ca/|inst|Institute to promote research in applied mathematics.  Publishes an international journal.|Univ. of Alberta|none+none+none+none+none
Applied Statistics Algorithms|http://lib.stat.cmu.edu/apstat/|edu|Downloadable algorithms from the Royal Statistical Society (UK).|Carnegie Mellon|none+none+none+none+statistics+software
Approximation Theory and its Applications|http://www.baltzer.nl/apptheo/apptheo.html|jour|Home page of this paper journal, with information on subscriptions and back issues.|Baltzer|none+none+none+none+approximation theory
Arithmetic Properties of Binomial Coefficients|http://www.math.uga.edu/~andrew/Binomial/index.html|edu|Online text/survey of this topic, nicely organized. Lucas' theorem, Pascal triangle, and Bernoulli numbers are among the topics covered.|Univ of Georgia|none+none+none+none+number theory
Aritifical Intelligence|http://ma1.rmc.ca/Ehome.html|edu|Home page of the artifical intelligence research group at the Royal Military College of Canada|Royal Mil. Col. of Canada|none+none+none+none+artificial intelligence+logic
Arts and Math Curriculum Resources|http://artsedge.kennedy-center.org/db/cr/icr/math.html|k-12|A collection of classroom resources for integrating mathematics and art in primary grades instruction.|Arts Edge|none+none+none+none+instructional aids
Arveson, William|http://math.berkeley.edu/~arveson/|pers|Berkely professor (noncommutative analysis, operator theory) has papers and other information available.|UC Berkeley|none+none+none+none+operator theory
Ask ERIC Lesson Plans|http://ericir.syr.edu/Virtual/Lessons/Mathematics/index.html|k-12|A large collection of lesson plans for grades k-12.|Syracuse Univ|primary grades pedagogy+lesson plans+none+none+none
Association for Symbolic Logic|http://www.math.uiuc.edu/~asl/|soc|Home page of this association includes announcements of meetings and conferences, and links to the Bulletin and the Journal of Symbolic Logic.||none+none+none+none+logic
Association for Women in Mathematics|http://www.math.neu.edu/awm/|soc|Offers information on travel grants, awards, and other opportunities for graduate students, postdocs, and professionals.  Other information on association activities is available.|Univ. of Maryland|none+none+none+none+women in mathematics
Atlas of Finite Group Representations|http://for.mat.bham.ac.uk/atlas/|edu|“This atlas contains representations of many finite simple groups and related groups, such as covering groups and automorphism groups of simple groups.”|Birmingham, Univ. of|none+none+none+none+modern algebra+group theory
Atlas of Finite Group Representations|http://www.mat.bham.ac.uk/atlas/|edu|Encyclopedia of many types of group representations, important to anyone working in Lie groups.|Univ of Birmingham|none+none+none+none+group theory+modern algebra+topology+lie
Atomic Physics &#038 Astrophysics Group|http://www.damtp.cam.ac.uk/user/e2e/|edu|The Dept. of Applied Math and Theoretical Physics at Cambridge University hosts this page for its Atomic Physics &#038 Astrophysics Research Group.|Cambridge University DAMTP|none+none+none+none+atomic physics+astrophysics
Australian Association of Mathematics Teachers|http://www.aamt.edu.au/welcome.html|soc|Full-featured site with many online resources.|AAMT|none+none+none+none+none
Australian Commonwealth Sci. & Ind. Research Organization.|http://www.dms.csiro.au/|inst|Australia's government sponsored R & D agency.|CSIRO|none+none+none+none+none
Australian Mathematical Society|http://www.maths.unsw.edu.au/amsweb/amswelcome.html|soc|Highly informative society page, with many resources available.|UNSW|none+none+none+none+none
Balance|http://teams.lacoe.edu/documentation/classrooms/linda/algebra/activities/balance/balance.html|k-12|A great game for students K-2 that teaches algebra skills.|none|algebra+none+none+none+none
Balducci's Actuarial Homepage|http://balducci.math.ucalgary.ca/|edu|A page dedicated to resources for students of actuarial science.|Univ. of Calgary|none+none+none+none+statistics
Baltzer Science Publishers|http://www.baltzer.nl/|com|Publishers of a wide range of scientific journals, including in the fields of pure and applied mathematics and operations research, and computer science.  Links to information about each published journal in each category are available.|baltzer|none+none+none+none+publishers
Bambad's Math Comics Page|http://www.csun.edu/~hcmth014/comics.html|edu|A collection cartoons relating to mathematics, culled from various sources.|none|humor+none+none+none+none
Banchoff, Thomas|http://www.math.brown.edu/~banchoff/|pers|This geometer at Brown University has a large collection of technical and expository articles available, particularly on differential equations and computer graphics.|Brown Univ.|none+none+none+none+differential equations
Barnes, David C.|http://www.sci.wsu.edu/math/faculty/barnes/david.html|pers|Site has a brief biographical sketch of Ada Lovelace, and links to many other resources, particularly on women in mathematics.|Wash. State Univ|none+none+none+none+women in mathematics
Barwise, Jon|http://www.phil.indiana.edu/~barwise/barwise.html|pers|Professor of Mathematics, Philosophy, and Computer Science at Indiana University, and author of such books as the recent “Vicious Circles.”  Highly developed page with many resources available.|Indiana Univ|none+none+none+none+logic+set theory
Basic Research Institute in the Mathematical Sciences|http://www-uk.hpl.hp.com/brims/|inst|Institute in England run by Hewlett Packard.|Hewlett Packard|none+none+none+none+none
BCC Index|ftp://euclid.maths.qmw.ac.uk/pub/bcc/|inst|FTP site of the British Combinatorial Committee.|British Combinatorial Committee|none+none+none+none+combinatorics
Beauty of Chaos, The|http://i30www.ira.uka.de/~ukrueger/fractals/|edu|Site offers an interactive collection of fractal images, in particular offering an interactive exploration of the Mandelbrot set.|Univ. of Karlsruhe|none+none+none+none+fractals+visual math
Beck, Anatole|http://kleene.math.wisc.edu/~beck/|pers|Has an interesting book online, “The Knowledge Business, A New Song for the Choir,” about the fate and direction of higher education and research in the past quarter century.|Univ of Wisconsin|none+none+none+none+philosophy+pedagogy
Benson, Dave|http://www.math.uga.edu/~djb/index.html|pers|Many resources and good links on Dr. Benson's page.  Research is in algebraic topology.|Univ of Georgia|none+none+none+none+algebraic topology
Berger, Bonnie|http://theory.lcs.mit.edu/~bab/|pers|Some excellent resources in the field of mathematical modelling in biology, especially protein folding and genomics.|MIT|none+none+none+none+biology+life science
Bernoulli Society for Math. Statistics and Probability|http://www.math.ruu.nl/bernoulli/|soc|The Bernoulli Society is devoted to furthering the fields of mathematical statistics and probability through fostering international contacts.|Bernoulli Society for Math. Statist|none+none+none+none+statistics+probability
Bertrand|http://www.humnet.ucla.edu/humnet/phil/grads/herzberg/Bertrand.html|edu|Symbolic Logic Problem-Solving Software for the Macintosh, uses a decomposition/instantiation algorithm inspired by the consistency tree method.  Solves sets of first-order symbolic logic statements for satisfiability, validity, and equivalence.|UCLA|none+none+none+none+logic+software
Bestvina, Mladen|http://www.math.utah.edu/~bestvina/|pers|In addition to many e-prints (dvi) in topology, a problem list in geometric group theory is available.|Univ of Utah|none+none+none+none+topology
Bibliographies on Mathematics|http://liinwww.ira.uka.de/bibliography/Math/index.html|edu|Vast, searchable database of publicationsin every field -- more than 54,000 articles in the data base!  An extraordinary resource.|Univ of Auckland|none+none+none+none+bibliography
Billey, Sara|http://www-math.mit.edu/~sara/|pers|Papers available in postscript include “Pattern Avoidance and Rational Smoothness of Schubert Varieties” and “Vexillary elements of the hyperoctahedral group.”|MIT|none+none+none+none+combinatorics+probability
Biographies of Women Mathematicians|http://www.scottlan.edu/lriddle/women/women.htm|edu|An outstanding site devoted to brief biographies of women in mathematics.  A must reference for anyone interested in the history of mathematics and especially the contribution of women.|Agnes Scott College|none+none+none+none+biography+women in mathematics
Biomathematics and Statistics Scotland|http://www.bioss.sari.ac.uk/|inst|Research institute for applied statistics in the life sciences.|BioSS|none+none+none+none+statistics+ecology+medicine
Biometrics|http://stat.tamu.edu/Biometrics/|jour|Home page of this paper journal.  Submission information.|Texas AM|none+none+none+none+medicine+statistics
Biostatistics|http://www.biostat.washington.edu/|edu|The home page of the biostatistics department at the University of Washington.|Univ. of Washington|none+none+none+none+statistics+ecology+medicine
Birkhauser|http://www.birkhauser.com/|com|Publisher of scientific and technical books, with a wide range of mathematical titles.|birkhauser|books+publishers+none+none+none
Borcherds, Richard E.|http://www.dpmms.cam.ac.uk/home/emu/reb/.my-home-page.html|pers|This Cambridge professor and algebraist has preprints, problem sheets for a modular forms course, and other resources available.|Cambridge Univ|none+none+none+none+modular forms
Borland|http://www.borland.com/|com|Major software manufacturer.  Products include several programming environments such as C++.|borland|commercial software+software+none+none+none
Bourke, Paul|http://www.mhri.edu.au/~pdb/|edu|A large potpourri of images and information on a popular level, with pages on geometry, fractals, curves, projections, and software (especially for the Mac).  Dr. Bourke is at the Brain Dynamics Laboratory in Victoria, Auckland.|MHRI|none+none+none+none+geometry+fractals+software+visual math
Boxer Learning|http://www.boxerlearning.com/index.html|com|Company develops and markets interactive, self-paced, instructional software on CD-ROMs.  For school and home instruction.|Boxer|instruction+tutorials+home schooling+none+none
Bray, William O.|http://www.umemat.maine.edu/faculty/bray/index.html|pers|This analyst from the Univ. of Maine at Orono has a downloadable preprint (dvi): “Analysis of Divergence: Control and Management of Divergent Processes.”|Univ of Maine|none+none+none+none+harmonic analysis
Brittanica Online|http://www.eb.com/|com|The home page of Britannica online.  Offers access for $5/month.|Britannica Online|general reference+none+none+none+none
Brooks/Cole Publishing|http://www.thomson.com/brookscole/default.html|com|Publishes a wide range of mathematics titles.  A full service site.|thomson|none+none+none+none+publishers
Brown, Kevin|http://www.seanet.com/~ksbrown/index.htm|pers|Hundreds of short articles in almost every field.  Well worth the visit.|seanet|none+none+none+none+none
Brualdi, Richard A.|http://kleene.math.wisc.edu/~brualdi/|pers|Information on recent books, such as “Combinatorial Matrix Theory,” as well as preprints on matrix theory are available for download.|Univ of Wisconsin|none+none+none+none+matrices
Brunel Institute of Computational Mathematics|http://www.brunel.ac.uk/depts/ma/resgrp/bicom/bicom.html|inst|Institute within Brunel Univ., Uxbridge, England, devoted to computational mathematics, with particular emphasis on the method of finite elements.|Brunel Univ.|none+none+none+none+computational mathematics
Bulletin of Symbolic Logic|http://www.math.ucla.edu/~asl/bslcontents.html|jour|Home page of this paper journal, published by the Association for Symbolic Logic.  Articles from back issues are downloadable in PostScript format.||none+none+none+none+logic+philosophy
Busy Bees In Miss. Ross's Class|http://home.ptd.net/~owlhollo/activities.html|k-12|Full of activities for K-2. Has stories, graphs, and other activities for first and second graders.|none|lesson plans+pedagogy+none+none+none
Calculators Online|http://www-sci.lib.uci.edu/HSG/RefCalculators2.html|edu|Extraordinary page of links to calculators of every imaginable type, some online (e.g. JAVA) and some commercial.|UC Irvine|none+none+none+none+instructional aids
Calculus and Differential Equations|http://www.seanet.com/~ksbrown/icalculu.htm|edu|A large collection of articles, some quite advanced, on topics in calculus and differential equations, by Kevin Brown.||none+none+none+none+calculus
Calculus Wind|http://www.wpi.edu/~tbt/Original/Calculus.html|edu|A longish poem by someone with a creative take on the trials of being a calculus student.|none|humor+none+none+none+none
Cambridge Relativity Public Home Page|http://www.damtp.cam.ac.uk/user/gr/public/|edu|Beautiful site from the Dept. of Applied Math, Relativity and Cosmology Research Group at Cambridge University, intended to make these topics accessible to a non-technically trained audience.  Great educational value; visually stunning.|Cambridge University DAMTP|none+none+none+none+relativity
Cambridge University Press|http://www.cup.cam.ac.uk/|com|The home page of Cambridge UP, which publishes a wide range of popular and textbook math titles.|cup|books+publishers+none+none+none
Canadian Cryptographic/cryptanalytic software|http://fractal.mta.ca/crypto/|edu|Archives of software available via anonymous FTP.||none+none+none+none+cryptography
Canadian Journal of Statistics|http://www.utstat.utoronto.ca/reid/cjs/|jour|Home page of this paper journal includes instructions for authors and highlights of recent issues.|Univ of Toronto|none+none+none+none+statistics
Canadian Mathematical Society Competitions|http://www.cms.math.ca/Olympiads/index.html|k-12|Has links to many different Canadian math competitions.|none|none+none+none+none+none
Canadian Soc. for the History and Philosophy of Mathematics|http://www.kingsu.ab.ca/~glen/cshpm/home.htm|soc|Home page of this Canadian Society: “The Canadian Society for the History and Philosophy of Mathematics, founded in 1974, promotes research and teaching in the history and philosophy of mathematics.”||none+none+none+none+history+philosophy
Carleton &#038 St. Olaf Colleges Summer Math Program for Women|http://www.stolaf.edu/stolaf/depts/math/chihara/summerProgram.html|edu|An NSF/NSA funded program to encourage and support women in their study of mathematics.|St. Olaf College|none+none+none+none+women in mathematics
Carlson, Jim|http://www.math.utah.edu/~carlson/|pers|Papers available for download include “Complex Hyperbolic Structure for Moduli of Cubic Surfaces” and “On Fundamental Groups of Class Seven Surfaces.”|Univ of Utah|none+none+none+none+algebraic geometry
Casio|http://www.casio.com/|com|Home page of this major manufacturer of calculators.|casio|calculators+none+none+none+none
Catalogue of Algebraic Systems|http://www.math.usf.edu/algctlg/INDEX.html|edu|Not quite completed but still very informative encyclopedia of algebraic structures.  Excellent reference.|Univ of South Florida|none+none+none+none+modern algebra
Categorical Geometry Homepage|http://www.geometry.net/|edu|Online books and research papers on categorical algebra, categorical logic, categorical geometry, lattice theory, universal algebra, and algebraic geometry.|geometry.net|none+none+none+none+category theory
Categories|http://www.mta.ca/~cat-dist/categories.html|edu|Web page for the category theory mailing list moderated by Bob Rosebrugh at Mount Allison University.  Includes a few valuable resources, such as TeX macros.|Mount Allison Univ.|none+none+none+none+category theory
Category Theory|http://math.rutgers.edu/~mauri/categories.html|edu|Extensive information site, with links to current researchers, societies and groups, and papers.|Rutgers Univ.|none+none+none+none+category theory
Category Theory|http://plato.stanford.edu/entries/category-theory/category-theory.html|edu|Extensive article on Category Theory from the online Stanford Encyclopedia of Philosophy.|Stanford Univ|none+none+none+none+category theory
Category Theory and Mathematical Structures Research Groups|http://www.mmsysgrp.com/mathstrc.htm|edu|A bibliography, with links, for Scientific Theories and Models, Mathematical Theories and Models, Category Theory and Categorical Algebra, and Mathematical Structures in Theoretical Computer Science.|Multimedia Systems Group|none+none+none+none+philosophy+category theory+structuralism
Category Theory Research Center|ftp://triples.math.mcgill.ca/ctrc.html|edu|Papers, home pages, and other information for this research center at McGill University in Canada.|McGill University|none+none+none+none+category theory
Cellular Automata Tutorial|http://life.csu.edu.au/complex/tutorials/tutorial1.html|edu|A nice introduction to the topic of cellular automata from Charles Sturt University.|none|cellular automata+none+none+none+none
Center for Applied Math|http://www.math.ufl.edu/~dcw/CAM/cam.html|edu|Research center at the Univ. of Florida.  Hosts the “Imaging Science Speaker Series.”|Florida, Univ. of|none+none+none+none+none
Center for Applied Mathematics and Statistics|http://cams.njit.edu/CAMS/cams.html|edu|Research center at the New Jersey Institute of Technology.|New Jersey Inst. of Tech.|none+none+none+none+statistics
Center for Applied Optimization|http://www.math.ufl.edu/~hager/cao/cao.html|edu|Research center at the Univ. of Florida.  “Encourages increased awareness of the . . . field of optimization through publications, conferences, joint research, and student exchange.”|Florida, Univ. of|none+none+none+none+optimization theory
Center for Applied Probability at Georgia Tech|http://nanjing.isye.gatech.edu/cap/|edu|Research group at Georgia tech for applied probability.|Georgia Inst. of Tech.|none+none+none+none+probability+statistics
Center for Dynamical Systems and Nonlinear Studies|http://www.math.gatech.edu/cdsns/|edu|Research group at Georgia Tech for dynamical systems and nonlinear studies.|Georgia Inst. of Tech.|none+none+none+none+none
Center for Geometric Computing|http://www.cs.duke.edu/CGC/|edu|Research center for geometric computing algorithms at Duke University.|Duke Univ.|none+none+none+none+algorithms+geometry+geometric computing
Center for Math. in the Life Sciences and Medicine|http://www.math.duke.edu/cmclm/|edu|Research center for applied math and computation in medicine and life sciences at Duke University.|Duke Univ.|none+none+none+none+medicine+life sciences
Center for Nonlinear Analysis|http://www.cmu.edu/mcs/math/cna.html|edu|The home page for the Center for Nonlinear Analysis at Carnegie Mellon University.|Carnegie Mellon|none+none+none+none+real analysis+nonlinear dynamics
Center for Nonlinear and Complex Systems|http://www.phy.duke.edu/Research/CNCS/Intro.html|edu|Research center for nonlinear and complex systems at Duke University.|Duke Univ.|none+none+none+none+chaos+nonlinear dynamics
Center for Numerical Analysis|http://rene.ma.utexas.edu/CNA/|edu|“We do numerical analysis research producing technical papers and mathematical software.”|Texas, Univ. of, Austin|none+none+none+none+numerical analysis+software
Center for the mathematics of waves.|http://www.math.udel.edu/research/wave_center/groups.html|edu|Summaries of annual reports are available by FTP from this research center at the Univ. of Delaware.|Delaware, Univ. of|none+none+none+none+waves+dynamics
Central Michigan Science/Math/Technology Center|http://www.smtc.cmich.edu/|k-12|Housed at Central Michigan University; provides outreach to 14 local school districts. Focus on teacher training.  Provides many educator resources and programs.|none|none+none+none+none+none
Centre for Applied Health Research|http://healthy.uwaterloo.ca/~cahr/|edu|An interdepartmental, collaborative research center at the University of Waterloo, Canada.|Waterloo, Univ. of|none+none+none+none+medicine
Centre for Atmospheric Science|http://www.atm.damtp.cam.ac.uk/|edu|The Dept. of Applied Math and Theoretical Physics at Cambridge University hosts this page for its Atmospheric Science Research Group.|Cambridge University DAMTP|none+none+none+none+fluid dynamics+atmospheric dynamics
Centre for Computational Fluid Dynamics|http://www.amsta.leeds.ac.uk/cfd/index.html|edu|Research center in fluid dynamics at the University of Leeds, England.  Minimal page.|Leeds, Univ. of|none+none+none+none+fluid dynamics
Centre for Education in Mathematics and Computing|http://math.uwaterloo.ca:80/~cemc/|edu|A research center in the faculty of mathematics at the University of Waterloo, Canada.|Waterloo, Univ. of|none+none+none+none+pedagogy+post-secondary pedagogy
Centre for Mathematical Analysis and it Apps.|http://www.maths.susx.ac.uk/CMAIA/CMAIA.html|edu|Research center at the Univ. of Sussex, with emphasis on partial differential equations, numerical analysis, and applications in continuum mechanics and the physical sciences.|Sussex, Univ. of|none+none+none+none+real analysis+differential geometry+nume
Centre for Nonlinear Dynamics and its Applications|http://www.ucl.ac.uk/CNDA/|edu|Center for research in nonlinear dynamics at City College, London|City Univ., London|none+none+none+none+nonlinear dynamics
Centre for Nonlinear Studies|http://www.amsta.leeds.ac.uk/cnls/index.html|edu|Research center in nonlinear studies at the University of Leeds, England.|Leeds, Univ. of|none+none+none+none+nonlinear dynamics
Centre for Numerical Modelling and Process Analysis|http://www.gre.ac.uk/research/cms/centre/|edu|A research center at the University of Grenwich, England, devoted to applied research in numerical modelling and analysis of physical systems.|Univ of Greenwich|none+none+none+none+numerical analysis+physics
Centre for Statistics and Stochastic Modelling|http://www.maths.susx.ac.uk/CSSM/CSSM.html|edu|Research center at the Univ. of Sussex.|Sussex, Univ. of|none+none+none+none+statistics+stochastic modelling
Centre for Theoretical Computer Science|http://agora.leeds.ac.uk/ctcs/|edu|Excellent web site from this active research center on theoretical computer science at the University of Leeds, England.|Leeds, Univ. of|none+none+none+none+computer science
Chance|http://www.math.mcgill.ca/~chance/|jour|A magazine about statistics and its use in society.  This page is actually maintained by its editor, and includes subscription information and links to related resources and information.|McGill University|none+none+none+none+statistics+probability
Chance News|http://www.geom.umn.edu/docs/snell/chance/chance_news/news.html|edu|“Chance News is part of the Chance Project supported by the Undergraduate Development Program of the National Science Foundation (US).”  Excellent online magazine with articles on statistics and probability accessible to undergraduates/high-schoolers.|Minn. Univ. of|none+none+none+none+statistics+probability
Cherkaev, Andrej|http://www.math.utah.edu/~cherk/|pers|In addition to papers on optimization, a comprehensive collection of math jokes and other resources are available.  An especially nice “web-pub” about locating damage in a structure by examing changes in conductivity.|Univ of Utah|none+none+none+none+calculus of variations+humor+optimizatio
Chicago University Press|http://www.press.uchicago.edu/|com|Homepage of the Chicago UP features a long list of popular and textbook math titles.  Full featured site.|Univ of Chicago|none+none+none+none+publishers
Chinese Annals of mathematics|http://www.baltzer.nl/chamas/chamas.html|jour|Home page of this paper journal from Shanghai, China.|Baltzer|none+none+none+none+none
Chow, Carson C.|http://math.bu.edu/people/ccc/|pers|Nicely designed page, with many papers available by ftp.  Focus is non-linear dynamical systems.|Boston Univ.|none+none+none+none+dynamics
Clark, W. Edwin|http://www.math.usf.edu/~eclark/|pers|Recent articles available in postscript include many on the domination numbers of graphs, and coverings by complements of subspaces.|Univ So Florida|none+none+none+none+graph theory
Classic Fallacies|http://www.math.toronto.edu/mathnet/falseProofs/fallacies.html|edu|A page devoted to analyzing some popular "proofs" of things like 1 = 2, a ladder will fall infinitely fast when pulled, etc.|none|logic+problems and puzzles+paradox+none+none
Clever Games for Clever People|http://www.cs.uidaho.edu/~casey931/conway/games.html|edu|Pages with descriptions of games from the book On Numbers and Games, 1976, by John Conway.|none|games+recreations+none+none+none
Clock (Modular) Arithmetic Pages|http://www.math.csusb.edu/faculty/susan/modular/modular.html|edu|Entertaining and informative page on modular arithmetic, accessible to high-schoolers and especially suited as a teaching aid.|Calif. State at San Bernardino|none+none+none+none+number theory+instructional aids
Cohn, Henry|http://www.math.harvard.edu/HTML/Individuals/Henry_Cohn.html|pers|Many papers available from this graduate student at Harvard/MIT, including “The Shape of a Typical Boxed Plane Partition” and “Symmetry and Specializability in Continued Fractions.”|Harvard Univ|none+none+none+none+tiling+number theory+combinatorics
Color Math Pink.|http://www.colormathpink.com/|k-12|A website that helps girls overcome the barriers that prevent them from succeeding in mathematics.|none|women in mathematics+math anxiety+none+none+none
Color Mathematics|http://www.geocities.com/Athens/6172/|com|A collection of instructional programs, including geometry, algebra, and analysis.|Geocities|commercial software+software+instruction+none+none
Combinatorial Object Server, The|http://sue.csc.uvic.ca/~cos/|edu|Specify a type of combinatorial object, together with specific parameter values, and COS will return to you a list of all such objects.  It can generate permutations, combinations, various types of trees, unlabelled graphs, etc.|csc|none+none+none+none+combinatorics
Combinatorics|http://www.seanet.com/~ksbrown/icombina.htm|edu|A large collection of articles on many topics in combinatorics, by Kevin Brown.|seanet|none+none+none+none+combinatorics
Combinatorics, Probability &#038 Computing|http://www.pmms.cam.ac.uk/CPC/cpc.html|jour|Online Journal devoted to Combinatorics, Probability &#038 Computing from the University of Cambridge, edited by Dr. B. Bollobas.|Cambridge University DPPMS|none+none+none+none+algorithms+probability+combinatorics
Compaq (Computers)|http://www.compaq.com/|com|Homepage of this major computer manufacturer.  Full-featured site.|compaq|computers+none+none+none+none
Compass Modeling Solutions|http://www.modeling.com/|com|Provider of mathematical programming software tools, technical support, and quantitative management consulting.|modeling|none+none+none+none+commercial software
Computational Physics Tutorials|http://goophy.physics.orst.edu/~rubin/rubin/cptopics.html|edu|Outline of a course in computational physics at Oregon State.|Oregon State|none+none+none+none+physics
Computational Science Education Project|http://csep1.phy.ornl.gov/csep.html|inst|“ . . . an electronic book for teaching computational science and engineering . . . intended for students at the advanced undergraduate level and higher.”|US Dept. of Energy|none+none+none+none+computer science+courseware: college
Computational Statistics and Data Analysis|http://www.stat.unipg.it/iasc/Misc-stat-journ-CSDA.html|jour|Home page for this paper journal from the International Association of Statistical Computing.|Univ of Perugia|none+none+none+none+statistics
Computer Algebra Information Network|http://www-math.uni-paderborn.de/user/cube/CAIN/index.html|edu|Extensive online information, links, and resources in this field.|Univ paderborn|none+none+none+none+modern algebra+software
Compvter Romanvs|http://www.naturalmath.com/tool2.html|com|A delightful page with a calculator designed to work with Roman numerals.  Fun and educational.|none|calculators+recreations+none+none+none
Conformal Geometry and Dynamics|http://www.ams.org/ecgd/|jour|Fully electronic refereed journal, viewable in DVI format.|AMS|none+none+none+none+dynamics+non-Euclidean geometry
Connected Curriculum Project, The|http://www.math.montana.edu/~frankw/ccp/modeling/topic.htm|edu|Set of study guides from the Univ of Montana to be used with courses on mathematical modelling.|Univ of Montana|none+none+none+none+dynamics+modelling+courseware: college
Content Standards|http://www.educ.state.ak.us/ContentStandards/Math.html|k-12|Includes information about the math curriculum standards for K-12 students in Alaska schools.|none|curriculum+none+none+none+none
Coolmath.com|http://www.coolmath.com/|k-12|Features puzzles, fractals, games, lessons, calculators, and more.|none|fractals+none+none+none+none
CPLEX|http://www.cplex.com/|com|Provider of large-scale mathematical programming software for optimization.|cplex|commercial software+software+optimization theory+none+none
Cray Supercomputers|http://www.cray.com/|com|Homepage of the foremost manufacturer of supercomputers.  Full-featured site.|cray|computers+none+none+none+none
Creative Online Enterprises|http://www.coe.com/ari/|com|Company develops and retails math tutorial CD ROM's for high school and college-level mathematics.|COE|tutorials+instruction+none+none+none
Creativille|http://www.creativille.org/|k-12|This site is about mathematics in construction.|none|none+none+none+none+none
Curious and Useful Math|http://personal.cfw.com/~clayford/|com|A nice page devoted to curious math facts and interesting tricks with numbers, such as division and multiplication tricks.|none|recreations+none+none+none+none
DAFT Chaos Home Page|http://www.damtp.cam.ac.uk/user/afdnld/|edu|The Dept. of Applied Math and Theoretical Physics at Cambridge University hosts this page for its Astrophysical Fluid Dynamics and Non-linear Systems Research Group.|Cambridge University DAMTP|none+none+none+none+chaos+nonlinear dynamics+fluid dynamics
Dah Sun Calculator Mfg. Co.|http://www.dsopp.com/|com|Manufacturer of a wide range of calculators, including desktop, mousepad, pocket, etc.|dsopp|none+none+none+none+calculators
Daily Math Problems|http://www.math.carleton.ca/cgi-bin/quiz.pl/amingare/public_html/mathzone/daily_test.html|k-12|A daily collection of problems permitting students to submit their answers and receive their score online.|Carleton Univ|none+none+none+none+problems+instructional aids+secondary gr
Data Description Inc.|http://www.datadesk.com/|com|Develops, sells, and supports innovative statistics and statistics training software for the Mac and Windows operating systems.  Applications include Data Desk and Active Stats.|datadesk|none+none+none+none+commercial software+statistics
Davis, Don|http://www.lehigh.edu/dmd1/public/www-data/dmd1.html|pers|Moderates an online Algebraic Topology discussion group.|Lehigh|none+none+none+none+topology+algebraic topology
Day 100|http://www.yesiteach.org/hundred.htm|k-12|Has many lesson ideas for celebrating the 100th day of school.|none|lesson plans+pedagogy+none+none+none
Dell (Computers)|http://www.dell.com/|com|Home page of this major manufacturer of computers.  Full-featured site.|dell|none+none+none+none+computers
Delta Blocks|http://www.tabletoptelephone.com/%7Ehopspage/Index.html|edu|How to use octahedra and tetrahedra as building or construction blocks.|ttt|none+none+none+none+polyhedra+geometry
Derive: The Mathematical Assistant For Your PC|http://www.ti.com/calc/docs/derive.htm|com|Derive is a symbolic math system for doing algebra, trigonometry, calculus and linear algebra.  Also has info on muLISP, a Lisp compiler for the PC.|Texas Instruments|commercial software+software+lisp+none+none
Devaney, Robert L.|http://math.bu.edu/people/bob/|pers|Papers available include: “Hairs for the Complex Exponential Family,” and “The Mandelbrot Set and the Farey Tree.”||none+none+none+none+chaos+dynamics
Devlin, Keith|http://gaelnet.stmarys-ca.edu/about.smc/faculty/devlin/devlin.html|pers|The author of “The Joy of Sets” and “Logic and Information,” and Dean of St. Mary's College, includes biographical and publication information on his home page at St. Mary's.|St. Mary's College|none+none+none+none+logic+set theory+information theory
DFCI Division of Biostatistics|http://biowww.dfci.harvard.edu/|inst|This Web page supports the Division of Biostatistics at the Dana Farber cancer institute. You will find here the home pages for many of the staff as well as DFCI related information.|Dana Farber Cancer Inst|none+none+none+none+statistics+medicine
Ding, Adam|http://www.math.neu.edu/~ding/mathindex.html|pers|Paper available: “Assessing Efficacy of Anti-GIV Therapies in Vivo for Inhibition of Virus Replication by Modeling Viral Dynamics.”|Northeastern|none+none+none+none+statistics+biology
Discover Channel, The|http://www.discovery.com/|com|Website of this popular cable channel, features excellent online content and resources.|discovery|magazines+commercial media+none+none+none
Discover Magazine|http://www.discover.com/|com|The online site of this popular magazine.  Good online content.|enews|magazines+none+none+none+none
Discrete Optimization and Active Structural Acoustic Control|http://www.math.wm.edu/~rrkinc/acou.html|edu|A monograph on discrete optimization from the operations research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+operations research+optimization theory
distributed.net|http://www.distributed.net/|inst|Home page of this organization dedicated to cracking encryption schemes using participating members' computers.  Highly developed site.|distributed|none+none+none+none+primes+cryptography
Do You Have Math Anxiety|http://pioneer.nactc.cc.ar.us/vmartin/mathanxiety.htm|edu|A brief self-test for determining one's level of math anxiety.|pioneer|none+none+none+none+study guides
Documenta Mathematica|http://www.mathematik.uni-bielefeld.de/documenta/|jour|Fully online, refereed journal.  German language.|Bielefield University|none+none+none+none+none
Don Archer's Fractal Art and Music|http://www.dorsai.org/~arch/|edu|A fractal gallery with a twist: allows visitors to enter their own random seeds to generate fractals online.  Also has “fractal music.”||none+none+none+none+fractals+visual math
Dynamical Systems Group at Boston University|http://math.bu.edu/dynamics/|edu|The home page of the dynamical systems research group at Boston Univ.|Boston Univ.|none+none+none+none+dynamics+nonlinear dynamics
Earliest Known Uses of Some of the Words of Mathematics|http://members.aol.com/jeff570/mathword.html|edu|Companion to the page on the history of mathematical symbols; truly an annotated lexicon of mathematical terminology.|aol|none+none+none+none+history
Earliest Uses of Various Mathematical Symbols|http://members.aol.com/jeff570/mathsym.html|edu|Beautiful collection of historical notes on the origins of many commonly used symbols in mathematical notation.|aol|none+none+none+none+notation+history
ECOS Combinatorial Object Server|http://www.schoolnet.ca/vp/ECOS/|k-12|A beautiful page with puzzles and examples of combinatorial objects accessible to primary grades students.|Schoolnet|none+none+none+none+combinatorics+primary grades pedagogy+vi
Edelman, Alan|http://www-math.mit.edu/~edelman/|pers|Information available on interactive supercomputing, including downloadable software.  Other resources included a paper on “Experiments in Distance Learning.”  Many other papers on diverse topics are available for download.|MIT|none+none+none+none+computer science+pedagogy
Edgar Allan Poe Cryptographic Challenge|http://www.bokler.com/bokler/eapoe.html|com|Try to crack cryptographs left by Edgar Allen Poe and still uncracked after 150 years.  Very interesting site. UPDATE: The problem has apparently been solved.  See the page for details.|bokler|cryptography+none+none+none+none
Edinburgh Mathematical Society|http://www.maths.ed.ac.uk/~chris/ems/|soc|Founded in 1883 for “the mutual improvement of its members in the Mathematical Sciences, pure and applied.”  Information on meetings and published proceedings is available.|Univ. Edinburgh|none+none+none+none+none
Education|http://www.ams.org/committee/education/|edu|Links to resources on mathematics education from the American Mathematical Society.|AMS|none+none+none+none+pedagogy
Educational Java Programs|http://www.best.com/~ejad/java/|k-12|Educational java applets in the areas of mathematics and science with emphasis in problem solving for grades K to 12. 

|none|none+none+none+none+none
Eigen, Stanley|http://www.math.neu.edu/~eigen/mathindex.html|pers|Papers available for download by this ergodic and number theorist include “Multiple Rohklin Tower: A Simple Proof” and “NonExact Shift Endomorphisms.”|Northeastern|none+none+none+none+ergodic theory+number theory
Eisenhower National Clearinghouse|http://www.enc.org/|inst|Sponsored by the U.S. Dept. of Education: A reform site dedicated to disseminating mathematics teaching materials and methods.|enc|none+none+none+none+pedagogy
El-Taha, Muhammad|http://issaaf.cas.usm.maine.edu/|pers|Available preprints from this operations researcher include “Fluid versions of Little's formula and extensions” and “Pathwise analysis of queueing models.”|Univ of So. Maine|none+none+none+none+operations research
Electric Library|http://www.elibrary.com/|com|An online, subscription research information provider.|elibrary|commercial services+general reference+none+none+none
Electronic Journal of Combinatorics|http://ejc.math.gatech.edu:8080/Journal/journalhome.html|jour|Journal sponsored by Georgia Tech.|Georgia Inst. of Tech.|none+none+none+none+graph theory+combinatorics
Electronic Journal of Differential Equations|http://ejde.math.swt.edu/|jour|A fully online journal (submissions in TEX) sponsored by Southwest Texas State University.||none+none+none+none+differential equations
Electronic Journal of Probability|http://www.math.washington.edu/~ejpecp/|jour|Another well-done journal from the Univ of Washington, affiliated with the Institute of Mathematical Statistics.|Univ of Washington|none+none+none+none+probability
Electronic Research Announcements|http://www.ams.org/era/|jour|Publishes advances in all branches of mathematics|AMS|none+none+none+none+bibliography
Electronic Transactions on Numerical Analysis|http://etna.mcs.kent.edu/|jour|Abstracts from an annual journal on Numerical Analysis|Kent State Univ.|none+none+none+none+numerical analysis
Elsevier Science|http://www.elsevier.nl/|com|Publisher offers a large mathematics title list.  Also allows publication searches online.||publishers+none+none+none+none
Employment Resources|http://alabanza.com/kabacoff/Inter-Links/employment.html|com|Page of resources related to employment in and out of academia.  Not specific to math.|alabanza|careers+general reference+none+none+none
Engineered Software|http://www.curvefitting.com/|com|Programs for scientific computing, includes DataFit version 7.1 for Windows for nonlinear regression, statistical analysis, and data plotting.|kagi|commercial software+software+none+none+none
ESMNET Project|http://www.loria.fr/~zimmerma/records/ecmnet.html|edu|A page devoted to cooperative factoring of large numbers.  Software available.||none+none+none+none+primes
Estimation and Variate Generation for Nonhomogeneous Poisson Processes|http://www.math.wm.edu/~leemis/research1.html|edu|A monograph from the operations research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+operations research
Euclid's Elements|http://aleph0.clarku.edu/~djoyce/java/elements/elements.html|edu|A remarkable page which includes the complete text of the Elements and a special Geometry applet written in Java to illustrate the theorems and provide a high degree of interactivity.|Clark Univ.|none+none+none+none+geometry
European MIS|http://www.emis.de/|jour|This site, maintained by the European Mathematical Society, includes an immense database and electronic library.|European Mathematical Information S|none+none+none+none+general reference
European Singularities Network|http://www.mi.aau.dk/~esn/|edu|Preprint Archive|Univ of Aarhus|none+none+none+none+algebraic geometry
Eviews|http://www.eviews.com/|com|Software for econometric analysis.|eviews|none+none+none+none+commercial software+economics
Exactly How Is Math Used In Technology?|http://www.scas.bcit.bc.ca/scas/math/examples/table.htm|edu|Beautiful collection of articles relating all fields of high school and college mathematics to a variety of real-world applications.||none+none+none+none+secondary grades pedagogy
ExploreMath.com|http://www.exploremath.com/|k-12|Includes lesson plans and teaching ideas.|none|lesson plans+none+none+none+none
Explorer, The|http://server2.greatlakes.k-12.mi.us/GLCbrowse/Mathematics/index.html|k-12|Huge collection of downloadable files, games, activities and other resources for k-12 mathematics.|Great Lakes|none+none+none+none+instructional aids
Expression Calculator|http://sti.infomaniak.ch/software/expression.html|com|A downloadable (shareware) calculator with extensive mathematical, geometric, and financial features.|Infomaniak|commercial software+calculators+software+none+none
Factoring Factory|http://www.dataplex.net/NFSNet/|inst|The NFSNet factoring project, a cooperative effort to factor large numbers.  Page under construction, but looks promising.|dataplex|none+none+none+none+primes
Factoring Fermat Numbers|http://www.mersenne.org/fermat.htm|inst|A distributed computing project invites you to help find factors of Fermat numbers.|mersenne|none+none+none+none+primes+number theory
Factorization|http://www-math.uni-paderborn.de/user/cube/CAIN/APPL/FACTOR/index.html|edu|Informative site on factorization, with links and info on software and techniques.|Univ Paderborn|none+none+none+none+modern algebra+number theory
FADBAD-TADIFF|http://www.imm.dtu.dk/documents/users/os/fadbad.html|edu|A C++ program package for automatic differentiation.|Denmark Tech|none+none+none+none+C programming language+calculus+software
Famous Curves Index|http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html|edu|From the MacTutor site, an encyclopedic index of important curves in mathematics.  Each entry includes a graph, the equation of the curve, and extensive information about it.|St. Andrews|none+none+none+none+analysis+algebraic geometry+visual math
Fast Matrix Solver|http://www.fmslib.com/|com|Software for matrix calculations from the Multipath Corporation. Packaged as a callable C library.|fmslib|commercial software+matrices+software+none+none
Favorite Mathematical Constants|http://www.mathsoft.com/asolve/constant/constant.html|com|An outstanding page of mathematical constants -- both well known and little known -- with detailed and readable expositions of the mathematics of each.|none|number theory+analysis+instruction+none+none
Feferman, Solomon|ftp://gauss.stanford.edu/pub/papers/feferman/|pers|Stanford professor of logic and the foundations of mathematics has many papers available by ftp.|Stanford Univ|none+none+none+none+logic
FFTW|http://theory.lcs.mit.edu/~fftw/|edu|A C subroutine library for performing the Discrete Fourier Transform in one or more dimensions.|MIT|none+none+none+none+software+fourier transform
Fibonacci and the Golden Section|http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fib.html|edu|Outstanding page on the Fibonacci sequence, with historical as well as mathematical information, and material on related sequences and the generation of the golden mean.|Univ. of Surrey|none+none+none+none+geometry+number theory+history
Field Arithmetic Archive|http://www.cs.bgu.ac.il/Fields/|edu|Preprint archive on the arithmetic of fields, Galois theory, model theory of fields, etc.|Ben Gurion University|none+none+none+none+field theory+galois theory+modern algebr
Fields, John Charles|http://www.math.toronto.edu/fields.html|edu|Biographical sketch of the mathematician who endowed the Fields Medal.|Univ of Toronto|none+none+none+none+biography
Finance Calculator|http://www.arachnoid.com/lutusp/finance.html|com|An online calculator for calculating amortization, interest, etc.|none|calculators+economics and finance+none+none+none
Finch, Steve|http://www.mathsoft.com/asolve/sfinch.html|pers|Homepage of this applied mathematician now working as the mathematics editor for MathSoft.  Preprints and publication available for download.|none|analysis+statistics+none+none+none
Finite Mathematics|http://www.hofstra.edu/~matscw/tutindex.html|edu|Online tutorials in finite math topics, such as linear algebra.  Java and JavaScript enhanced.|Hofstra|none+none+none+none+linear algebra+courseware: finite math
Five Platonic Solids, The|http://www.li.net/~george/virtual-polyhedra/platonic-info.html|edu|Nice page of basic information on the Platonic solids, with illustrations.  Includes online exercises with answers.|LI.net|none+none+none+none+geometry
Fixed Point Theory on the Web|http://www.math.utep.edu/Faculty/khamsi/fixedpoint/fpt.html|edu|Links, books, bibliography and other resources on fixed point theory.|Texas, Univ. of, El Paso|none+none+none+none+fixed point theory
Flashcards For Kids|http://www.edu4kids.com/math/|k-12|Includes a flashcard program where the parent or teacher can set the difficulty level.|none|none+none+none+none+none
FMA&H|http://www.fmah.com/|com|Specializes in the development of efficient mathematical algorithms needed in industrial and technological environments.|fmah|commercial software+software+none+none+none
Fomin, Sergey|http://www-math.mit.edu/~fomin/|pers|Available papers include “Recognizing Schubert cells” and “Mixed Bruhat operators and Yang-Baxter equations for Weyl groups.”|MIT|none+none+none+none+combinatorics
Forster, T.E.|http://www.pmms.cam.ac.uk/home/emu/tf/.my-home-page.html|pers|Dr. Forster, a set theorist at Cambridge, offers links to papers and other sites related to set theory and foundations.|Cambridge DPMMS|none+none+none+none+set theory+non-standard set theory
Foundation for Research and Technology &#150 Hellas|http://www.forthnet.gr/forth/|inst|A research center in Crete, which supports institutes in various fields, including the Institute of Applied and Computational Mathematics.|FORTH|none+none+none+none+none
Fractal Dimensions|http://fractal.mta.ca/fractals/skinner/|edu|Some of the most stunning fractal images we have seen.||none+none+none+none+visual math+fractals
Fractal Galleries|http://www.math.iupui.edu/galleries.html|edu|Fractals created by students at Indiana Univ.|Indiana Univ.|none+none+none+none+fractals+visual math
Fractal Pictures and Animations|http://www.cnam.fr/fractals.html|edu|An archive of fractal images from a site in France.|CNAM Paris|none+none+none+none+fractals+visual math
Fractals by Paul Carlson|http://fractal.mta.ca/fractals/carlson/|edu|A beautiful gallery with over 200 images.||none+none+none+none+visual math+fractals
Fractals in Science|http://argento.bu.edu/java/|edu|From the Center for Polymer Studies, Boston University, a number of hands-on activities, laboratory experiments, and interactive visualization programs.  “Explore how fundamentally random microscopic events can give rise to fractal macroscopic patterns.”|Boston Univ|none+none+none+none+fractals
Fractint|http://spanky.triumf.ca/www/fractint/fractint.html|edu|The homepage for this outstanding and popular freeware fractal generator.  A must have piece of software for anyone interested in fractals.|TRIUMF|none+none+none+none+software+fractals
Free On-Line Dictionary of Computing|http://web.bilkent.edu.tr/foldoc/|edu|FOLDOC is a keyword searchable dictionary of coputer science.|Bilkent|none+none+none+none+computer science
Frege, Gottlob|http://plato.stanford.edu/entries/frege/|edu|Biographical sketch and analysis of the work of this important logician from the online Stanford Encyclopedia of Philosophy.|Stanford Univ|none+none+none+none+biography+logic
Frequently Asked Questions about Mathematics|http://daisy.uwaterloo.ca/~alopez-o/math-faq/math-faq.html|edu|A compilation of answers about Mathematics, ranging from math trivia to advanced subjects such as Wiles recent proof of Fermat's Last Theorem.|Univ. of Waterloo|none+none+none+none+instructional aids
Friedman, Sy D.|http://www-math.mit.edu/~sdf/|pers|Papers are available in recursion theory, admissible sets, fine structure theory, and class forcing.|MIT|none+none+none+none+logic
Frontline Systems Inc.|http://www.frontsys.com/|com|Creators of the Solver in Microsoft Excel, Lotus 1-2-3, and the Optimizer in corel Quattro Pro.  markets enhanced versions of the spreadsheet solvers, plus solvers callable from Visual Basic, C/C++, and other languages.|frontsys|commercial software+software+none+none+none
Fuentes Estadisticas|http://www.festadisticas.fguam.es/|jour|An electronic statistics journal.  Spanish language.||none+none+none+none+statistics
Fun Mathematics Lessons By Cynthia Lanius|http://math.rice.edu/~lanius/Lessons/|k-12|Includes math lessons for K-12|none|lesson plans+pedagogy+none+none+none
Fun With Mathematics|http://pw1.netcom.com/~hjsmith/index.html|com|A page with many articles on diverse topics, such as Pi, Gaussian primes, and golygons, all by Harry J. Smith, a mathematician at Litton PRC.|none|number theory+recreations+none+none+none
Fun with Pi|http://gallery.uunet.be/kurtvdb/pi.html|edu|A page with some nice information and formulas concerning Pi.|none|number theory+none+none+none+none
Functional Housing Market|http://www.cs.rice.edu/~sboone/Lessons/Titles/lpgthou.html|k-12|A lesson plan for Linear Equations.|Rice Univ|none+none+none+none+linear equations+lesson plans+post-secon
Funmaths Game Station|http://www.funmaths.com/|com|Math games to motivate students and improve math grades. Download the latest in arcade style educational maths computer games.|none|recreations+games+instructional aids+software+none
Future Graph|http://www.futuregraph.com/|com|Company offeres a line of interactive instructional software and teaching aids.  Suitable for both classroom and home-schooling use.  Arithmetic to calculus and statistics.|futuregraph|commercial software+software+none+none+none
Gallery|http://www.uib.no/People/nfytn/mathgal.htm|edu|Extensive collection of images from differential geometry, including the Klein bottle, knots, and many surfaces.|UIB|none+none+none+none+visual math+differential geometry
Gallery of Mathematics|http://info.lut.ac.uk/departments/ma/gallery/index.html|edu|Very nice gallery of mathematical images from Loughborough University in England.|Loughborough Univ.|none+none+none+none+visual math
Game Theory|http://william-king.www.drexel.edu/top/eco/game/game.html|edu|A detailed and informative introduction to the subject of game theory, with entries on the Prisoners Dilemma, zero-sum games, etc.|none|game theory+none+none+none+none
GAMS|http://www.gams.com/|com|General Algebraic Modeling System is a high-level modeling system for mathematical programming problems.  Tailored for complex, large-scale modeling applications.|gams|commercial software+none+none+none+none
GAP - Groups, Algorithms, and Programming|http://www-gap.dcs.st-andrews.ac.uk/~gap/|edu|A system for computational discrete algebra with particular emphasis on computational group theory.|St. Andrews Univ.|none+none+none+none+software+group theory+discrete algebra
Garoufalidis, Stavros|http://math.brown.edu/~stavrosg/|pers|A great many papers are available as html, with emphasis on low-dimensional topology and its applications to mathematical physics, geometry, combinatorics, and arithmetic.|Brandeis|none+none+none+none+topology
Gasharov, Vesselin|http://www-math.mit.edu/~gasharov/|pers|Publications available for download in the fields of Hilbert functions, f-vectors, h-vectors, symmetric functions, toric rings, monomial ideals, Bruhat order, log-concave and unimodal sequences, and polynomials with real zeros.|MIT|none+none+none+none+commutative algebra+combinatorics
Genz, Alan|http://www.sci.wsu.edu/math/faculty/genz/homepage|pers|In addition to many downloadable papers in numerical computation of multiple integrals, Dr. Genz has many subroutines in Fortran availabe.|Wash State Univ|none+none+none+none+numerical analysis
Geometry|http://www.seanet.com/~ksbrown/igeometr.htm|edu|A collection of articles on geometry, including analytic geometry, by Kevin Brown.|seanet|none+none+none+none+geometry
Geometry &#038 Topology|http://www.maths.warwick.ac.uk/gt/|jour|Refereed journal for geometry and topology from the Univ. of Warwick, England.|Warwick, Univ. of|none+none+none+none+geometry+non-Euclidean geometry+topology
Geometry and the Imagination|http://www.geom.umn.edu/docs/doyle/mpls/|edu|A large collection of brief lecture notes on diverse fields within geometry, including topology, knots, and many others.|The Geometry Center|none+none+none+none+geometry+non-Euclidean geometry+topology
Geometry and Topology Group at Boston Univ.|http://math.bu.edu/research/geom/|edu|The home page of the geometry and topology research group at Boston Univ.|Boston Univ.|none+none+none+none+topology+geometry
Geometry Center, The|http://www.geom.umn.edu/|edu|Rich resource of materials on every kind of geometry, funded by the NSF.|The Geometry Center|none+none+none+none+geometry+non-Euclidean geometry+topology
Geometry Center, The, Software|http://www.geom.umn.edu/software/download/|edu|A wealth of downloadable software packages for geometry.|UMN|none+none+none+none+geometry+software
Geometry Problem of the Week|http://forum.swarthmore.edu/geopow/|edu|Presents a weekly problem, and solicits solutions from site visitors.  Archives of problems also available.|Swarthmore|none+none+none+none+problems+geometry
German Society for Medical Informatics, Biometrics, and Epidemiology|http://www.med.uni-muenchen.de/gmds/gmds.html|soc|German language.|Univ of Munich|none+none+none+none+medicine
Gessel, Ira M.|http://www.cs.brandeis.edu/~ira/|pers|Recent papers available electronically include: “Tilings of diamonds and hexagons with defects,” and “Wolstenholme revisited.”|Brandeis|none+none+none+none+combinatorics
Glossary of Mathematical Mistakes|http://www.mathmistakes.com/|com|List of mistakes made over and over by advertisers, media, reporters, politicians, etc.  Features a “mathematical mistake of the month.”  Fascinating and educational page.|mathmistakes|none+none+none+none+news
Gomulkiewicz, Richard|http://www.wsu.edu:8080/~gomulki/|pers|Offers research notes in the evolution of environmentally sensitive phenotypes, the evolution of sexually selected traits and mating preferences, and other related topics in mathematical modelling in biology and genetics.|WSU|none+none+none+none+biology+genetics
Gottlob Frege|http://www.ags.uci.edu/~bcarver/frege.html|edu|A compendium of links to information of every kink related to Frege, plus a chronology of his correspondence and comments on continuing Frege's program today.  Compiled by Brian Carver, a grad student at UC Irvine.|Univ of Calif, Irvine|none+none+none+none+logic+philosophy
Gouv&#234a, Fernando|http://www.colby.edu/personal/fqgouvea/|pers|Dr. Gouv&#234a is the current editor of MAA online.  His page includes lecture notes and problem sets for a course in number theory, and some other items of interest.|Colby College|none+none+none+none+number theory
Gradekeeper|http://www.gradekeeper.com/|com|A grade keeping program for the Macintosh.  Could be very helpful to teachers who want more than just a spreadsheet.  Also tracks attendance and generates custom reports.|gradekeeper|commercial software+instructional aids+none+none+none
Grandma's Place: Math and Science|http://www.robinsplace.com/|edu|A large collection of resources particularly as relates to chemistry and biology.  Aimed primarily at secondary grades students.||none+none+none+none+biology+medicine+chemistry
Graphical Aids for Stochastic Process|http://psoup.math.wisc.edu/gasp.html|edu|GASP is an award-winning interactive tutorial in the theory of stochastic processes, a DOS-based package with modules on Bernoulli Trials, Random Walks, Markov Chains, Poisson Processes, Branching and Queuing, and Brownian Motion.|Univ of Wisconsin|none+none+none+none+statistics+software
Graphitude|http://www.arachnoid.com/graphitude/index.html|com|An online graphing program for graphing single variable rectangular or polar plots.  Also available for download.|none|algebra+calculators+none+none+none
Gratuitous Fractals|http://www.vanderbilt.edu/VUCC/Misc/Art1/fractals.html|edu|A gallery of fractals.  Nicely done.|Vanderbilt Univ|none+none+none+none+fractals+visual math
GRE (Graduate Record Examination)|http://www.gre.org/|inst|Home page of the Graduate Record Examination.  Includes a FAQ and online registration.|GRE|none+none+none+none+general reference
Green, Frederic|http://aleph0.clarku.edu/~fgreen/home.html|pers|Many papers on computational complexity and other computer science topics are available for download.|Clark University|none+none+none+none+computer science+complexity
Griffeath, David|http://psoup.math.wisc.edu/kitchen.html|pers|Extraordinary page on cellular automata, rich in graphics, applications, and resources, with special emphasis on the self-organization of random cellular automata.  Highest recommendation.|Univ of Wisconsin|none+none+none+none+cellular automata
Groebner Bases Algorithm and the Characteristic Sets Method|http://monkey.mcs.kent.edu/areas/GB_and_CS/|edu|An introduction to advanced mathematical computations in commutative algebra and algebraic geometry.|Kent University|none+none+none+none+modern algebra+algebraic geometry
Group Pub Forum Home Page|http://www2.bath.ac.uk/~masgcs/gpf.html|edu|Resources and information for the group theory community.|Bath, Univ. of|none+none+none+none+group theory+modern algebra
Groupoid Home Page|http://amath-www.colorado.edu:80/math/researchgroups/groupoids/|edu|Page dedicated to groupoids, with papers and other resources.|Univ of Colorado at Boulder|none+none+none+none+modern algebra+groupoids
Groups, Representations and Cohomology Preprint Archive|http://www.math.uga.edu/~djb/archive.html|edu|Large library of downloadable papers.|Univ of Georgia|none+none+none+none+group theory+representation theory+cohom
Guide to Available Mathematics Software (GAMS)|http://gams.nist.gov/|inst|An online index of available math software from the National Institute of Science and Technology.  A vast and valuable resource.|NIST|none+none+none+none+software
Guide To Math And Science Reform, The|http://www.learner.org/theguide/|k-12|A database with concise information on projects, resources, and organizations devoted to reforming K-12 science and mathematics education.|none|pedagogy+none+none+none+none
Gustafson, Grant|http://www.math.utah.edu/~gustafso/|pers|Among the many resources available are downloadable labs with Maple notes in linear algebra, differential equations, and Fourier series.|Univ of Utah|none+none+none+none+partial differential equations
Haglund, Jim|http://www-math.mit.edu/~haglund/|pers|Preprints available include “Rook theory and t-cores,” and “On the nonnegativity of the coefficients of some polynomials occurring in the theory of cubical spheres.”|MIT|none+none+none+none+number theory
Hands-on Math: Activities for the Elementary Classroom|http://www.xmission.com/~dparker/mathpage/handson.html|k-12|Activities in geometry, number patterns, and topology that for elementary grades.|xmission|none+none+none+none+instructional aids+primary grades pedago
Hankel Transform Code|http://www-leland.stanford.edu/~fanning/hankel/hankel.html|edu|C code provided by this faculty member at Stanford University.  Links to related sites.|Stanford|none+none+none+none+software
Hart, George W.|http://www.li.net/~george/|pers|Home page of this sculptor who specializes in sculptures of a mathematical nature, using symmetries, regular solids, and other geometrical elements.  Outstanding images -- inspirational.|li.net|none+none+none+none+art+math art+mathematical art+visual mat
Harvard Math Club|http://WWW.MATH.HARVARD.EDU/~mathclub/|soc|Outstanding club page with many resources available, including the club journal, Tangents.|Harvard Univ|none+none+none+none+none
Harvard University Press|http://www.hup.harvard.edu/|com|Publishes a large number of titles in mathematics.|harvard|books+publishers+none+none+none
Hawking, Stephen|http://www.damtp.cam.ac.uk/user/hawking/|pers|Stephen Hawking, Lucasian Professor of Mathematics at Cambridge University and author of “A Brief History of Time,” has an informative and resource rich page, including lectures and information on disability concerns.|Cambridge Univ|none+none+none+none+relativity
Hewlett Packard|http://welcome.hp.com/country/us/eng/welcome.htm|com|Home page of this major manufacturer of calculators and computers.|HP|calculators+computers+none+none+none
Hewlitt Packard (Computers)|http://www.hp.com/PersonalComputing/|com|Computer homepage of this major manufacturer.  Full-featured site.|hp|computers+none+none+none+none
High School Math Project Ideas|http://www.columbia.edu/~umk1/|k-12|Includes high school math project ideas.|none|lesson plans+none+none+none+none
Higher Level Mathematics Syllabus|http://www.hk.super.net/~cismath/IBH.htm|edu|A detailed syllabus of mathematics education, with links to sites and pages featuring each topic.|Chinese International School|none+none+none+none+pedagogy
Historia de la Matematica|http://www.chasque.apc.org/jgc/historia.html|edu|A multilingual forum (English, Portugese, Spanish) on the history of mathematics.  Mirrored on Swarthmore's server. Intended and open to both researchers and non-professionals interested in the history of mathematics.||none+none+none+none+history
History of Game Theory|http://n1-44-225.macip.drexel.edu/top/class/histf.html|edu|An online treatise on the history of this topic.  Nicely organized and presented.|Drexel Univ|none+none+none+none+history
History of Mathematics|http://www.seanet.com/~ksbrown/ihistory.htm|edu|A large collection of articles, anecdotal in nature, by Kevin Brown.|seanet|none+none+none+none+history
History of Mathematics, The|http://www.maths.tcd.ie/pub/HistMath/|edu|A history page from Trinity College, Dublin, with emphasis on George Berkely, Hamilton, Boole, and Newton.|Trinity College, Dublin|none+none+none+none+history+biography
Hofstadter, Douglas|http://www.psych.indiana.edu/cogsci/hofstadter.html|pers|The author of “Godel, Escher, Bach” and Professor of Cognitive and Computer Science at Indiana University relates his current research interest and provides links to his latest writing.|Indiana Univ|none+none+none+none+artificial intelligence+cognitive scienc
Honors Seminar in Cryptography|http://raphael.math.uic.edu/~jeremy/crypt/crypt.html|edu|An extensive online text to companion this seminar introducing cryptography at the college level.|Univ of Illinois|none+none+none+none+cryptography+courseware: college
Hot Air|http://www.improb.com/|com|Online version of the Annals of Improbable Research (previously the Journal of Irreproducible Results).  Humor with a purpose -- highly recommended.|improb|magazines+humor+none+none+none
Houston, Ken|http://www.infc.ulst.ac.uk/cgi-bin/infdb/buscard?email=sk.houston/|pers|Professor of Mathematical Studies at the University of Ulster.  Researcher in teaching, learning, and assessment of mathematics, and in the use of technology to enhance the learning of mathematics.  Many publications available by order.|Univ of Ulster|none+none+none+none+pedagogy
Hudelson, Matt|http://www.sci.wsu.edu/math/faculty/hudelson/welcome.html|pers|Offers an online text: “A small text on some LARGE numbers,” with a discussion of Moser notation and Ackermann's Function and generalized exponentiation.|Wash State Univ|none+none+none+none+combinatorics
Hypatia Electronic Library|http://hypatia.dcs.qmw.ac.uk/|edu|Large, fast-growing repository of papers and directory of researchers in computer science and pure mathematics.|Queen Mary and Westfield College|none+none+none+none+computer science
Hyperspace|http://www.maths.qmw.ac.uk/hyperspace/|edu|A resources page for students and researchers in general relativity.|Queen Mary &#038 William|none+none+none+none+physics+relativity
I Hate Calculus|http://www.ihatecalculus.com/|com|A humorous page devoted to blowing off steam, for those frustrated with calculus.|none|humor+calculus+none+none+none
IBM (Computers)|http://www.ibm.com/Products/|com|Homepage for IBM personal computer products.|ibm|computers+none+none+none+none
IDEA|http://www.sci.wsu.edu/idea/|edu|Internet Differential Equations Activities: “An interdisciplinary effort to provide students and teachers ... with computer based activities for differential equations in a wide variety of disciplines.”  Downloadable software. Sponsored by NSF.|Wash State Univ|none+none+none+none+differential equations+instructional aid
IMA Journal of Mathematical Control and Information|http://www.oup.co.uk/jnls/list/imamci/|jour|Dedicated to finding solutions to unsoved problems in control and information theory.|Oxford UP|none+none+none+none+information theory
Indiana University Math Journal|http://www.iumj.indiana.edu/iumj/|jour|Fully online journal produced by the mathematics department of Indiana University.|Indiana Univ|none+none+none+none+none
Infinite Fractal Loop, The|http://www.fractalus.com/ifl/|com|A site devoted to promoting sites about fractals, sites with fractal galleries, etc.  Emphasis is on fractal art. An good jumping off point for touring many excellent gallery pages.||visual math+fractals+none+none+none
Infinite Ink's Mathematics Page|http://www.jazzie.com/ii/math/|edu|A nice site with emphasis on both foundations of mathematics and on writing mathematics on the world wide web.Good material, good links.|Infinite Ink|none+none+none+none+web development+set theory+infinity
Infinity and the Limits of Thought|http://www.math.tamu.edu/~Aysu.Bilgin/inf.html|edu|A nice little monograph on infinity, with background, history, a technical discussion, and many links to other resources.||none+none+none+none+infinity
Information Technology Research Centre|http://www.itrc.on.ca/|inst|A non-profit research organization to promote information technology in support of industry in Ontario, Canada.|ITRC|none+none+none+none+computer science
Institute for Computer Research|http://icr.uwaterloo.ca/ICR/|edu|A research center in computer science at the University of Waterloo, Canada.|Waterloo, Univ. of|none+none+none+none+computer science
Institute for Fundamental Theory|http://www.phys.ufl.edu/~ift/|edu|Research center at the Univ. of Florida.  Emphasizes interdisciplinary research in high energy physics, astrophysics, particle physics and related fields. Highly developed and informative site.|Florida, Univ. of|none+none+none+none+physics+astrophysics+atomic physics
Institute for Operations Research and the Management Sciences|http://www.informs.org/|inst|The online information service of this institute, serving the professional and scientific needs of OR/MS investigators, scientists, educators, students, and managers.|informs|none+none+none+none+operations research
Institute of Applied and Computational Mathematics|http://www.iacm.forth.gr/|inst|Institute for study in such fields as wave propagation and numerical analysis.|IACM|none+none+none+none+waves+numerical analysis
Institute of Applied Mathematics and Mechanics|http://www.dipt.donetsk.ua:8080/eng/darn/iamm.html|inst|A Ukrainian institute for research into problems in mechanics and cybernetics, with emphasis on non-linear analysis in mathematical physics, computer algebra, etc.|Donetsk|none+none+none+none+nonlinear dynamics+physics+cybernetics
Institute of Mathematical Statistics|http://www.stat.ucla.edu/ims/|soc|This mathematical society based at the Univ of California, Los Angeles includes a links list for stats departments worldwide.|UCLA|none+none+none+none+statistics
Institute of Mathematics and its Applications|http://www-chel.anglia.ac.uk/~imacrh/index.html|inst|“The IMA is a forum for qualified and practising mathematicians and our aims are to promote mathematics and its applications in all sectors...”|IMA|none+none+none+none+none
Institute of Theoretical Dynamics|http://itd.ucdavis.edu/|inst|A research unit at UC Davis, with activities in computational biology, applied mathematical analysis, and mathematical physics.|UC Davis|none+none+none+none+medicine+physics
Integrator, The|http://integrals.wolfram.com/|com|Calculate any integral online on this page offered by Wolfram Research as a teaser for its Mathematica software.|Wolfram Research|commercial software+calculators+instructional aids+none+none
Interactive Mathematics Miscellany and Puzzles|http://www.cut-the-knot.com/|com|A very extensive page of classical problems and discussion about them, with many interesting features.|cut-the-knot|problems and puzzles+recreations+none+none+none
Interactive Mathematics Onlins|http://tqd.advanced.org/2647/|k-12|A page offering interactive pages on math topics accessible to junior and senior high school students.  Offers an opportunity for teachers and even their students to contribute content.||none+none+none+none+instructional aids+courseware: k-12
Interactive Mathematics Program|http://www.mathimp.org/|inst|Home page of the IMP, a 4-year secondary grades curriculum published by Key Curriculum Press.  Supported by the National Science Foundation.|MathIMP|none+none+none+none+pedagogy+curriculum+secondary grades ped
Interactive Methods for Visualizable Geometry|http://www.geom.umn.edu/~munzner/ieee94/ieee/ieee.html|edu|“Interactive computer graphics methods provide new insights into the world of pure geometry.”  A full online text in the use of sophisticated computer graphics to aid visualisation of geometrical concepts, including higher dimensions.||none+none+none+none+visual math
Interactive Real Analysis|http://www.shu.edu/~wachsmut/reals/index.html|edu|A beautiful online course in real analysis, evidently developed as a first-year course for Seton Hall math graduates.|Seton Hall University|none+none+none+none+real analysis+courseware: college
Interference of Sinusoidal Waveforms|http://www.journey.sunysb.edu/ProjectJava/WaveInt/home.html|edu|A Java applet for visualising interference of waveforms.  Code available for download.||none+none+none+none+waves+software+java
International Biometric Society -- ENAR|http://www.enar.org/|soc|Regional homepage of this society devoted to the advancement of biological sciences through the application of quantitative methods.|ENAR|none+none+none+none+statistics+medicine
International Biometric Society -- WNAR|http://members.aol.com/mswnar/WNAR.html|soc|Western North American Region.  Largely member information.|AOL|none+none+none+none+medicine+statistics
International Centre for Mathematical Sciences|http://www.ma.hw.ac.uk/icms/|inst|Collaborative institute of Scottish universities, located in Edinburgh.|Heriot-Watts Univ.|none+none+none+none+none
International Number Registry|http://home.columbus.rr.com/realnumbers/|com|Tongue-in-cheek site purports to register your specially chosen number for a small fee.  Humorous.|none|humor+none+none+none+none
International Society for Statistical Computing|http://www.stat.unipg.it/iasc.html|soc|Information for members and others interested in events related to statistical computing.|Univ of Perugia|none+none+none+none+statistics
Internet Resources For Elementary Math Educators|http://www.math.ttu.edu/~dmettler/title.html|k-12|Provides internet resources for elementary mathematics educators.|none|lesson plans+none+none+none+none
Introduction to C*-Algebras|http://www.unige.ch/math/biblio/preprint/cstar/liste.html|edu|French language page.|Unigue|none+none+none+none+C*-algebras
Introduction to Fourier Theory, An|http://aurora.phys.utk.edu/~forrest/papers/fourier/index.html|edu|An online text on Fourier theory, highly detailed and accessible, from the Department of Physics and Astronomy at the University of Tennessee.|Univ of Tennessee|none+none+none+none+analysis
Ionel, Eleny|http://www-math.mit.edu/~ionel/|pers|Downloadable papers include several in Gromov-Witten invariants and gauge theory.|MIT|none+none+none+none+symplectic geometry
Is This Really Mathematics?|http://www.math.ucalgary.ca/~laf/math.html|k-12|Graphical problems to challenge primary graders.|Univ of Calgary|none+none+none+none+problems+primary grades pedagogy
Isaac Newton Institute for Mathematical Sciences|http://www.newton.cam.ac.uk/|inst|Cambridge University's international research institute. Excellent resources on upcoming programs.|Cambridge, Univ. of|none+none+none+none+none
Japan-US Math Institute (JAMI)|http://www.math.jhu.edu/brochure1.html|inst|Institute at Johns Hopkins University to foster US-Japan relations and cooperation in all fields of mathematics.|Johns Hopkins|none+none+none+none+none
Jim Loy's Mathematics Page|http://www.mcn.net/~jimloy/math.html|edu|A site with extensive online instructional material basic algebra, geometry, and many other topics.|none|instruction+algebra+geometry+number theory+calculus
John Wiley &#038 Sons|http://www.wiley.com/|com|Major publisher of mathematical titles.  Full featured site.|wiley|none+none+none+none+publishers
Jones, Peter R.|http://www.mscs.mu.edu/~jones/|pers|Papers available from this algebraist at Marquette University include “Semidirect products of regular semigroups” and “Profinite categories.”||none+none+none+none+group theory
Jour. of Stats. Educ. Info. Svc.|gopher://jse.stat.ncsu.edu/1/|jour|Gopher menu of the Journal of Stats Education, with resources including software and archives.|NCSU|none+none+none+none+statistics
Journal of Agricultural, Biological, and Environmental Statistics|http://milkyway.stats.gla.ac.uk/~adrian//biometrics/jabes.html|jour|A new (1996) paper journal from the International Biometric Society.||none+none+none+none+ecology+statistics
Journal of Applied Mathematics &#038 Decision Sciences|http://fims-www.massey.ac.nz/maths/jamds/|jour|Journal for topics related to statistics and operations research.||none+none+none+none+operations research+statistics
Journal of Approximation Theory|http://www.math.ohio-state.edu/Entities/Journals/JAT/index.html|jour|Online journal from Ohio State University.|Ohio State Univ.|none+none+none+none+approximation theory
Journal of Artificial Intelligence Research|http://www.cs.washington.edu/research/jair/home.html|jour|Nicely put together electronic and print journal from the Univ of Washington.|Univ of Washington|none+none+none+none+artificial intelligence
Journal of Computation and Mathematics|http://www.qmw.ac.uk/~lms/jcm/welcomejcm.html|jour|The online version of the Journal of the London Mathematical Society.  Excellent site.|London Mathematical Society|none+none+none+none+none
Journal of Convex Analysis|http://rattler.cameron.edu/EMIS/journals/JCA/index.html|jour|Electronic edition of this paper journal.|Cameron|none+none+none+none+differential equations+functional analys
Journal of Difference Equations and Applications|http://www.gbhap.com/journals/731/|jour|Fully online journal on difference equations and the academic, analytical, and engineering problems in which they arise.  Editorial, author, and subscription information.|Gordon and Breach|none+none+none+none+difference equations
Journal of Discrete and Continuous Dynamical Systems|http://math.smsu.edu/journal/journal.html|jour|Home page of this paper journal which publishes papers on the theory, methods, and applications of finite and infinite dimensional dynamical systems.|Southwest Missouri State|none+none+none+none+dynamics
Journal of Logic Programming|http://www.elsevier.nl:80/inca/publications/store/5/0/5/7/3/1/|jour|Fully online journal published by Elsevier.  Includes complete subscription information and author information.||none+none+none+none+computer science
Journal of Mathematical Chemistry|http://www.baltzer.nl/jomachem/jomachem.html|jour|Home page of this paper journal.  Journal now available online at subscribing institutions.|Baltzer|none+none+none+none+chemistry+physics
Journal of Operator Theory|http://www.math.ukans.edu/~jot/|jour|Home page of this paper journal.|Univ. of Kansas|none+none+none+none+operator theory
Journal of Statistical Software|http://www.stat.ucla.edu/journals/jss/|jour|Online journal from UCLA includes software reviews.|UCLA|none+none+none+none+statistics+software
Journal of Statistics Education|http://www2.ncsu.edu/ncsu/pams/stat/info/jse/homepage.html|jour|A refereed electronic journal on post-secondary statistics education.|North Carolina St. Univ.|none+none+none+none+statistics+post-secondary pedagogy
Journal of Symbolic Logic|http://www.math.ucla.edu/~hbe/jsl.html|jour|Home page of this paper publication of the Association for Symbolic Logic.  Includes tables of contents of back issues and a bibliography, as well as subscription and submission information.||none+none+none+none+logic
Journal of the American Mathematical Society|http://www.ams.org/jams/|jour|Online journal of the AMS|AMS|none+none+none+none+none
Journal of the Interest Group in Pure and Applied Logics|http://www.mpi-sb.mpg.de:80/igpl/Bulletin/HTML/general.html/|jour|“The Journal is the official publication of the International Interest Group in Pure and Applied Logics (IGPL), which is sponsored by The European Foundation for Logic.”  A fully electronic journal.||none+none+none+none+logic
Journals of the Royal Statistical Society|http://www.maths.ntu.ac.uk/rss/journals.html|jour|Four paper journals from this UK society.|Trent Nottingham Univ|none+none+none+none+statistics
Joyce, David E.|http://aleph0.clarku.edu/~djoyce/home.html|pers|Highly developed page with many resources available, including an outstanding page on Euclid's Elements.  Strongest recommendation.|Clark Univ.|none+none+none+none+geometry+history
K-12 Statistics|http://www.mste.uiuc.edu/stat/stat.html|k-12|A links page for resources for teaching statistics in K-12.|Univ of Illinois|none+none+none+none+statistics+instructional aids+primary gr
K12 Mathematics Curriculum Framework|http://www.ed.state.nh.us/CurriculumFrameworks/k-123.htm|k-12|Includes information about the math standards for K-12 students in New Hampshire schools.|none|curriculum+none+none+none+none
Kali|http://www.geom.umn.edu/apps/kali/about.html|edu|An interactive, online program to create tilings (tesselations).  Very instructive regarding symmetries of the plane and symmetry groups.  Highly recommended.|none|group theory+tiling/tesselations+algebra+software+visual math
Kanamori, Akihiro|http://math.bu.edu/people/aki/|pers|Available papers include two historical papers on set theory and a research article with Saharon Shelah on boolean algebras.||none+none+none+none+set theory
KANT/KASH|http://www.math.TU-Berlin.DE/~kant/kash.html|edu|Software package for algebraic number theory|Berlin Tech Univ|none+none+none+none+algebraic number theory+software
Kaper, Tasso|http://math.bu.edu/people/tasso/|pers|Many papers listed on a variety of applied and dynamical systems topics, most available on request.||none+none+none+none+dynamics
Kapovich, Misha|http://www.math.utah.edu/~kapovich/|pers|In addition to many e-prints, some elementary problems in topology are provided and some nice graphical images (fractals and topology) are available.|Univ of Utah|none+none+none+none+low dimensional geometry
Keisler, H. Jerome|http://kleene.math.wisc.edu/~keisler/|pers|Many papers available, including “Neometric Spaces,” “Long Sequences and Neocompact Sets,” and “Neometric Forcing.”|Univ of Wisconsin|none+none+none+none+model theory+nonstandard analysis
Keplerian Fractals|http://www.tabletoptelephone.com/%7Ehopspage/Kplrfrct.html|edu|Just as Koch transformations can transform stellated polygons into fractals, similar transformations can fractalize stellated polyhedra.  Well-rendered graphical examples.|ttt|none+none+none+none+polyhedra+geometry
Key Curriculum Press|http://www.keypress.com/index.html|com|Makers of books, instructional aids, and software for the classroom.  The premier software product is the Geometer's Sketchpad, an affordable and versatile geometry program for Mac and Windows platforms.|Keypress|publishers+books+commercial software+software+none
Kimberling, Clark|http://www.evansville.edu/~ck6/index.html|pers|A rich set of resources from this professor at the University of Evansville.  Includes many beautiful articles and biographical studies.|Univ of Evansville|none+none+none+none+biography
Kimura, Takashi|http://math.bu.edu/people/kimura/|pers|Papers available include intersection numbers on the moduli spaces of stable maps in genus 0, and others related to homotopy and cohomology theory.|Boston Univ.|none+none+none+none+differential geometry+topology
Kirillov, Alexander|http://web.mit.edu/afs/athena.mit.edu/user/k/i/kirillov/www/home.html|pers|Several downloadable papers in Lie algebras, quantum groups, and conformal field theory.|MIT|none+none+none+none+representation theory
KnotPlot Site, The|http://www.cs.ubc.ca/nest/imager/contributions/scharein/KnotPlot.html|edu|A gallery of images created with KnotPlot, a program for visualizing and manipulating knots in three and four dimensions.|UBC|none+none+none+none+visual math+software+knot theory
Koch Snowflake Curve|http://scidiv.bcc.ctc.edu/Math/Snowflake.html|edu|A brief exposition on the fractal known as the Koch curve.|none|fractals+recreations+visual math+none+none
Koll&#225r, J&#225nos|http://www.math.utah.edu/~kollar/|pers|Many papers available from this algebraic geometer at the Univ. of Utah, including “Low Degree Polynomial Equations” and “Real Algebraic Surfaces.”|Univ of Utah|none+none+none+none+partial differential equations+algebraic
Kon, Mark|http://math.bu.edu/people/mkon/|pers|Papers available from this statistician include “Exact smoothing properties of Schrodinger semigroups” and “Convergence rates of multiscale and wavelet expansions.”||none+none+none+none+statistics+wavelets
Kopell, Nancy|http://math.bu.edu/people/nk/|pers|Papers available include “Dynamics of Two Mutually Coupled Slow Inhibitory Neurons.”|Boston Univ.|none+none+none+none+dynamics
Korner, Tom|http://www.dpmms.cam.ac.uk/home/emu/twk/.my-home-page.html|pers|This harmonic analyst and Cambridge reader's page offers excellent advice for those wishing to study mathematics at Cambridge and for math students generally.  Also contains information on his most recent book.|Cambridge Univ|none+none+none+none+harmonic analysis
Kovacs, Sandor|http://www.math.uchicago.edu/~kovacs/|pers|Preprints available include “Birational Geometry of Log Surfaces” and “Ample line bundles on moduli spaces.”|MIT|none+none+none+none+algebraic geometry
Kunen, Kenneth|http://kleene.math.wisc.edu/~kunen/|pers|Many papers in foundations and automated deduction available, including “The Shortest Single Axioms for Groups of Exponent 4” and “A Ramsey Theorem in Boyer-Moore Logic.”|Univ of Wisconsin|none+none+none+none+set theory+automated deduction
LabNet|http://hub.terc.edu/terc/LabNet/LabNet.html|k-12|LabNet provides an electronic meeting place in which teachers can support each other in experimenting with new teaching strategies, reflect on their teaching experiences, problem-solve, share resources, etc.||none+none+none+none+pedagogy
Laboratory for Foundations of Computer Science|http://www.dcs.ed.ac.uk/lfcs/index.html|edu|Many resources and papers available from this active research group in Scotland.  Emphasis on categories, semantics, algebra, logic, and complexity.|Univ. of Edinburgh|none+none+none+none+computer science+complexity
Lady, E. Lee|Http://www.Math.Hawaii.Edu/~lee/|pers|Notes on a number of topics in dvi, postscript, and pdf (Adobe Acrobat) format.  Including notes on elementary education, calculus, linear algebra, abstract algebra, among others.|Univ of Hawaii|none+none+none+none+pedagogy+calculus+linear algebra
Lakshmibai, V.|http://www.math.neu.edu/~lakshmibai/mathindex.html|pers|Papers in algebraic geometry and representation theory available for download, including “Bases for Quantum Demazure modules” and “Tangent spaces to Schubert varieties.”|Northeastern|none+none+none+none+algebraic geometry+representation theory
Lattice Theory Home Page|http://www.math.hawaii.edu/LatThy/|edu|Good resources and information.|Univ of Hawaii|none+none+none+none+combinatorics+lattice theory
Lavarand|http://lavarand.sgi.com/index.html|com|“Harnessing the power of Lava Lite lamps to generate truly random numbers.”|lavarand|number theory+visual math+none+none+none
Laven, Simon|http://www.student.toplinks.com/hp/sjlaven/|pers|A page devoted to natural language programs, artificial intelligence, etc. Many downloadable programs.||none+none+none+none+artificial intelligence+software
Le Journal de Maths|http://www.ens-lyon.fr/JME/JME.html|jour|French language mathematics journal.||none+none+none+none+none
Le, Ha Quang|http://daisy.uwaterloo.ca/~hqle/|pers|This grad student at the University of Waterloo, Canada, has a beautiful collection of polyhedra images created in Maple.|Waterloo|none+none+none+none+geometry
LearningPage.com|http://www.learningpage.com/|k-12|Many downloadable teaching resources.|none|pedagogy+none+none+none+none
Lecture Notes on the Mathematics of the Rubik's Cube|http://web.usna.navy.mil/~wdj/rubik_nts.htm|edu|A full online course, accessible to high school students.|US Navy|none+none+none+none+modern algebra+group theory+courseware:
Lempp, Steffen|http://kleene.math.wisc.edu/~lempp/|pers|Outstanding collection of logic resources, including links, upcoming conferences, and a large file of downloadable  papers and preprints.|Univ of Wisconsin|none+none+none+none+recursion theory
Lenart, Christian|http://www-math.mit.edu/~lenart/|pers|Downloadable papers with online abstracts such topics as Grothendieck polynomials, Steenrod operations, formal group laws, incidence Hopf algebras, and clustering algorithms.|MIT|none+none+none+none+algebraic topology+combinatorics
Lesson Exchange: MATH CENTERS|http://www.teachers.net/lessons/posts/549.html|k-12|Lesson ideas for k-2 teachers.|none|lesson plans+none+none+none+none
Lesson Plan|http://etc.sccoe.org/I99/I99Prj/Math/Mathsmbl/TEXT/RMNLPLN.HTM|k-12|Lesson plan about Roman Numerals.|none|lesson plans+none+none+none+none
Lesson Plan For A Third Grade Unit On Farm Life|http://www.iup.edu/~pdzf/LESSON.HTM|k-12|Lesson plan shows students how to depict fractions in different ways.|none|lesson plans+pedagogy+none+none+none
Lesson Plan: Approximating Area|http://www.successlink.org/great/g223.html|k-12|Includes tables, graphs, and programs about how to approximate the area between a curve and the x-axis in the first quardrant.|none|lesson plans+pedagogy+none+none+none
Lesson Planet Math Page|http://www.lessonplanet.com/search/Math|k-12|Has over sixteen thousand math lesson plans for grades k-12|none|lesson plans+pedagogy+none+none+none
Lesson Tutor|http://www.lessontutor.com/|k-12|Includes lesson plans, unit studies and worksheets for all levels, all abilities and all subjects of Grade School and High School.|none|lesson plans+pedagogy+none+none+none
Levine, Jerome|http://www.math.brandeis.edu/Faculty/jlevine/|pers|Available papers (postscript) include: “Jumps of the Atiyah-Patodi-Singer eta invariant” and “Finite-type invariants of 3-manifolds.”||none+none+none+none+knot theory+geometric topology
LiDIA|http://www.informatik.th-darmstadt.de/TI/LiDIA/|edu|A C++ library for number theory.|Darmstadt Tech Univ|none+none+none+none+number theory+software+C programming lan
Life by the Numbers|http://www.mathlife.com/standard/index.html|com|Home page of this PBS series about mathematics.|mathlife|none+none+none+none+visual math
Lindas K-2 Algebra|http://teams.lacoe.edu/documentation/classrooms/linda/algebra/algebra.html|k-12|Contains teacher and student activities and discussion groups.Requires Adobe Acrobat Reader.|none|none+none+none+none+none
Linear Algebra and Its Applications|http://www-east.elsevier.com/lae/|jour|Electronic service of this established paper journal.||none+none+none+none+linear algebra
Linear Preserver Problems|http://www.math.wm.edu/~ckli/preserve.html|edu|A monograph on linear preserver problems from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+linear algebra
LoFaro, Thomas P.|http://www.sci.wsu.edu/math/faculty/lofaro/lofaro_tp.html|pers|Three papers on biological neural networks are available for download.|Wash State Univ|none+none+none+none+neural networks
Logic Software from CSLI|http://www-csli.stanford.edu/hp/|com|A collection of logic software from John Etchemendy and Jon Barwise.  Books and software available for order.|Stanford|commercial software+logic+software+none+none
Los Alamos Nat'l Laboratory/CIC3|http://www.c3.lanl.gov/|inst|Home page of the Computer Research and Applications Group at LANL.  Scads of publications including mathematical papers.  Papers produced outside the LANL are included and solicited.  Fascinating site.|LANL|none+none+none+none+computer science
M. C. Escher|http://www.geocities.com/mcescher76|com|Site dedicated to M.C. Escher, with graphics of his artwork and biographical information.|none|visual math+art+none+none+none
M.C. Escher|ftp://ftp.sunet.se/pub/pictures/art/M.C.Escher/|edu|Another large collection of Escher artwork.  No thumbnails, so it takes considerable time to browse the images.|Sunet|none+none+none+none+visual math
MacTutor History of Mathematics archive|http://www-groups.dcs.st-and.ac.uk:80/~history/|edu|Among the best and most informative sites on the web &#150 a truly comprehensive hyperlinked encyclopedia of mathematics history and biography.|St. Andrews, Scotland|none+none+none+none+history+biography
Magic Squares|http://www.pse.che.tohoku.ac.jp/~msuzuki/MagicSquare.html|edu|A page devoted to magic squares, with a huge number of examples as well as information on algorithms for creating magic squares and the underlying mathematics.|none|recreations+none+none+none+none
Magma System of Algebra, Num. Theory, and Geom.|http://www.maths.bath.ac.uk/Mirror/Overview.html|edu|“Magma is a radically new system designed to solve computationaly hard problems in algebra, number theory, geometry, and combinatorics.  Magma provides a mathematically rigorous environment for computing with algebraic and geometric objects.”|Bath, Univ. of|none+none+none+none+number theory+symbolic computation+softw
Mahadev, Nadimpalli|http://www.math.neu.edu/~mahadev/mathindex.html|pers|Papers available for download or by snail mail on intersection graphs, stability number, threshold graphs, perfect graphs, graph colorings, and scheduling.|Northeastern|none+none+none+none+graph theory
Making Mathematics: Mentored Research Projects for Young Mathematicians|http://www2.edc.org/makingmath/|edu|Provides curricular materials (projects, discussions, and lesson plans) for the teaching of mathematics research and connects teachers and students with professional mathematicians who will serve as a mentor throughout their research effort.

|none|instructional aids+lesson plans+pedagogy+none+none
Maple|http://www.maplesoft.com/index.html|com|Waterloo Maple manufactures one of the foremost packages for doing mathematics on the computer.  Full service web site from this large company.|maplesoft|commercial software+software+none+none+none
Marcolli, Matilde|http://www-math.mit.edu/~matilde/|pers|Preprints available in postscript include “Twisted higher index theory on good orbifolds and fractional quantum numbers” and “Seiberg-Witten gauge theory.”|MIT|none+none+none+none+none
Marin Mersenne|http://www.scruznet.com/~luke/mersenne.htm|com|Outstanding page of information and resources on this French mathematician whose famous conjecture about prime numbers has led to much modern research.|scruznet|none+none+none+none+biography
Massey, David|http://www.massey.math.neu.edu/|pers|A rich collection of resources from this topologist who specializes in the geometry of complex analytic singularities.  Papers, MPEGs of singularities, more.|Northeastern|none+none+none+none+topology
MAT 007 I News|http://www.math.toronto.edu/007/|jour|“Published bioccasionally -- wreckreational math.”  A student newsletter from the undergrads at U of T.|Univ of Toronto|none+none+none+none+humor
Math|http://www.geocities.com/Athens/Thebes/9893/mathmmm.htm|k-12|Includes two math games for grades 2-3|none|lesson plans+pedagogy+none+none+none
Math Activities For K12 Teachers|http://daniel.calpoly.edu/~dfrc/Robin/|k-12|Provides activities and lesson plans for K-12 teachers.|none|lesson plans+none+none+none+none
Math Aid Online Courses|http://www.mathaid.com/|com|Interactive, educational, Java-based website for e-learning mathematics. The courses include theoretical concepts, hands-on examples featuring animated graphics and formulas, problem-solving lessons, and customizable real time tests."  Topics covered include trig, algebra, and precalculus.|none|instruction+instructional aids+none+none+none
Math and Hypertext|http://match.stanford.edu/bump/mathhtml.html|edu|Details and links regarding a project to port TeX seamlessly to HTML.  Software available for download.||none+none+none+none+web development
Math Archives|http://archives.math.utk.edu/|edu|A large miscellany of mathematical resources supported by several grants, including from the National Science Foundation, and emphasizing teaching resources, including software and courseware.  An important site for mathematics resources.|Univ. of Tennessee|none+none+none+none+software+courseware: k-12+instructional
Math Assist|http://home.t-online.de/home/matheass/english.htm|com|A shareware instructional program from Germany; algebra, analysis, geometry, stochastics, and linear algebra.|t-online|instruction+commercial software+tutorials+none+none
Math Centers Across The Curriculum|http://www.cmc-math.org/mcenter.html|k-12|Lesson idea for K-3 teachers.|none|none+none+none+none+none
Math Central|http://MathCentral.uregina.ca/|edu|A beautiful site for teachers of K-12 mathematics in Canada, maintained by the Univ. of Regina.  Includes many resources, including a bulletin board, chat area, and links.|Regina, Univ. of|none+none+none+none+primary grades pedagogy+secondary grades
Math For Kids|http://tqjunior.thinkquest.org/4471/|k-12|Has word problems for fourth graders and how to solve them.|none|none+none+none+none+none
Math Forum - Modern Algebra|http://forum.swarthmore.edu/advanced/modern.alg.html|edu|Annotated links page.|Univ Swarthmore|none+none+none+none+modern algebra
Math Horizons|http://www.maa.org/pubs/mh.html|jour|Promotional page for this print journal from the Mathematical Association of America, published for high school and undergraduate students.|MAA|none+none+none+none+none
Math in Daily Life|http://www.learner.org/exhibits/dailymath/|edu|"...look at the language of numbers through common situations..." Suitable for middle school readers, explores the use of statistics and other basic math skills in daily life situations.|none|tutorials+instructional aids+none+none+none
Math in the Movies|http://world.std.com/~reinhold/mathmovies.html|com|A guide to movies containing real mathematics, with reviews and links.|The World|visual math+none+none+none+none
Math Lesson Plans|http://srd.yahoo.com/drst/13095625/*http://www.mathteacher.mcmail.com/teacheradvice.html|k-12|The person who owns this homepage will give you advice on lesson planning if you email him a question.|none|none+none+none+none+none
Math Lessons|http://home.earthlink.net/~annet/|k-12|Includes math lessons for precalc students.|none|lesson plans+none+none+none+none
Math Lessons &#038 Courses|http://forum.swarthmore.edu/~steve/steve/mathlessons.html|k-12|A huge collection of k-12 lesson plans.  Part of the Math Forum Internet Collection from Swarthmore College.|Swarthmore|none+none+none+none+primary grades pedagogy+lesson plans
Math Online|http://www.kqed.org/ednet/school/math/mathonline/|k-12|Includes lesson plans and other teaching resources.|none|lesson plans+pedagogy+none+none+none
Math Page|http://www.club.innet.be/~year4037/|edu|A page promising to answer submitted math questions for free.  No information as to whose page this is, or if it is connected to any institution.|innet|none+none+none+none+none
Math Sci Net|http://www.ams.org/mathscinet/|edu|Subscriber access only to mathematical reviews and links to articles and journals.|AMS|reviews+bibliography+none+none+none
Math Soft|http://www.mathsoft.com/|com|Producer of MathCAD software. Extensive resources online.|Math Soft|none+none+none+none+commercial software
Math Soft Math Puzzle Page|http://www.mathsoft.com/puzzle.html|com|A puzzles page from the producers of MathCAD software.|Math Soft|none+none+none+none+puzzles
Math Software|http://www.luc.edu/schools/education/software.htm|edu|Large collection of downloadable applications, with such things as flash-card programs, tutorial programs, etc.  Aimed at K-8 education.|LUC|none+none+none+none+software+instructional aids+primary grad
MathCommunity|http://www.mathcommunity.de/|com|This German-language site has humor, essays, contests, and links to encourage student interest in math.|none|humor+none+none+none+none
Mathematica|http://www.wolfram.com/|com|The premier software package for doing mathematics on the computer.  Immense site with many resources.|wolfram|none+none+none+none+commercial software
Mathematical Association of America|http://www.maa.org/|soc|A much expanded site, many resources available online, including program and professional development information.|MAA|none+none+none+none+none
Mathematical Games and Recreations|http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Mathematical_games.html|edu|An essay from the MacTutor History of Math site on the history of mathematical puzzles and recreations, from ancient Egypt to modern times.|none|recreations+history+problems and puzzles+none+none
Mathematical Games, Toys, and Puzzles|http://www.cs.duke.edu/~jeffe/mathgames.html|edu|Page features a huge collection of mathematical games and puzzles.|Duke Univ|none+none+none+none+puzzles
Mathematical Games, Toys, and Puzzles|http://compgeom.cs.uiuc.edu/~jeffe/mathgames.html|edu|A bit of a catch-all page of miscellaneous games and recreations.|none|recreations+games+none+none+none
Mathematical Issues of Scientific Medicine|http://www.mism.com/|edu|An “internet forum” to examine medical decision theory and applied mathematics of diagnosis.|MISM|none+none+none+none+medicine
Mathematical Mayhem|http://www.math.toronto.edu/mayhem/|jour|Journal produced by high school and university students at the University of Toronto.  Includes a problems column downloadable in Postscript format.|Univ of Toronto|none+none+none+none+problems
Mathematical Modelling|http://www.math.uga.edu/104/|edu|Courseware for the Univ. of Georgia in mathematical modelling.|Univ of Georgia|none+none+none+none+dynamics+modelling+courseware: college
Mathematical Problems of David Hilbert|http://aleph0.clarku.edu/~djoyce/hilbert/|edu|An exposition on Hilbert's famous 1900 address, and his 23 problems.  The full text of the address is available for download.|Clark|none+none+none+none+history+biography
Mathematical Proceedings . . .|http://www.cup.cam.ac.uk/journals/jnlscat/psp/psp.html|jour|The online version of the venerable Mathematical Proceedings of the Cambridge Philosophical Society, edited by J.E. Roseblade.|Cambridge University Press|none+none+none+none+none
Mathematical Programming Glossary|http://www-math.cudenver.edu/~hgreenbe/glossary/glossary.html|edu|An alphabetically browsable glossary of terms related to mathematical programming from Harvey Greenberg at the University of Colorado, Denver.  Includes many links to similar resources.|CU Denver|none+none+none+none+general reference+computer science+algor
Mathematical Sciences Career Information|http://www.ams.org/careers/|soc|Page for the AMS, MAA, and SIAM, offering a wealth of employment and career information for mathematicians.  Focus is on jobs outside academia.|AMS|none+none+none+none+careers
Mathematical Sciences Research Institute.|http://www.msri.org/|inst|Independent research institute located near Berkeley California.  Conducts annual research programs.|Mathematical Sciences Research Inst|none+none+none+none+none
Mathematically Correct|http://ourworld.compuserve.com/homepages/mathman/index.htm|k-12|Mathematically Correct is a grassroots organization opposed to the curriculum reform efforts of NCTM and other national educational organizations.|none|pedagogy+none+none+none+none
Mathematicians of the 17th & 18th centuries.|http://www.maths.tcd.ie/pub/HistMath/People/RBallHist.html|edu|An extensive collection of biographical material adapted from the historical work of W.W. Rouse Ball.|Dublin, Univ. of|none+none+none+none+history+biography
Mathematics|http://www.deltafarms.com/math.html|k-12|Includes a program that teaches addition skills.|none|none+none+none+none+none
Mathematics &#038 Biology|http://www.bis.med.jhmi.edu/Dan/mathbio/intro.html|edu|Pages devoted to the interface of mathematical and biological research.|Johns Hopkins|none+none+none+none+medicine+biology+life sciences
Mathematics &#038 Knots|http://www.bangor.ac.uk/ma/CPM/exhibit/welcome.htm|edu|Beautiful site from the Center for the Popularization of Math at the University of Wales at Bangor.  Pages of beautiful images and exposition on knots.|Wales, Univ. of, Bangor|none+none+none+none+knot theory+visual math
Mathematics Home Page|http://www.ksbe.state.ks.us/outcomes/Mathpg.html|k-12|Includes math curriculum standards for K-12 schools in Kansas|none|curriculum+none+none+none+none
Mathematics Lesson Plans|http://www.col-ed.org/cur/math.html|k-12|A large collection of lesson plans on math topics for grades k-12, from the Columbia Education Center.|col-ed|none+none+none+none+lesson plans+primary grades pedagogy+sec
Mathematics of Change, The|http://www.woodrow.org/teachers/math/institutes/1993/|edu|Extensive pedagogical resources generated by the 1993 W. Wilson Leadership Program in Mathematics.|W. Wilson Foundation|none+none+none+none+pedagogy
Mathematics of Computation|http://www.ams.org/mcom/|jour|Online Journal from the American Mathematical Society.|AMS|none+none+none+none+numerical analysis+number theory
Mathematics of Financial Derivatives|http://www.math.upenn.edu/~deturck/m480/main.html|edu|Lecture notes from a course on financial mathematics, with Java applets and lecture notes on stochastics, probability, and related topics.|Univ of Penn|none+none+none+none+economics+stochastic modelling+probabili
Mathematics of Population Increase|http://www.arachnoid.com/lutusp/populati.html|com|A brief essay on how to calculate population increase.|none|instruction+none+none+none+none
Mathematics Strategies|http://volweb.utk.edu/Schools/bedford/harrisms/Swainsmath.htm|k-12|Includes a lesson plan for K-12 with links to other teacher resources.|none|lesson plans+pedagogy+none+none+none
Mathematics Subject Classification|http://www.ma.hw.ac.uk/~chris/MR/MR.html|edu|Version 2.1 (April 1996) of the Mathematics Subject Classification (MSC) prepared by Chris Eilbeck of Heriot Watt University.  A tool to find the Mathematical Review Classification number of a specified area of mathematics.|Heriot-Watt Univ.|none+none+none+none+general reference+reviews
Mathematics: Ancient Science and its Modern Fates|http://harpo.ncsa.uiuc.edu/SDG/Experimental/vatican.exhibit/exhibit/d-mathematics/Mathematics.html|edu|Fascinating collection of pages from the mathematics section of the Vatican exhibit on the history of science.  Emphasis is on Greek mathematics and astronomy, with images of medieval copies of Euclid's Elements, Archimedes Works, etc.|ncsa|none+none+none+none+history
MatheMatrix Inc.|http://www.primenet.com/~bolster/mmatrix.html|com|High performance In and Out-of-Core, Dense, Direct Solve matrix algebra Fortran libraries for both Real Skyline and Complex Full matrices.  Time stepping and optimization simulations may also be solved.|primenet|none+none+none+none+optimization theory+commercial software
MathGate|http://www.mathgate.ac.uk/|edu|"MathGate is an Internet Resource Catalogue for mathematics.&quot A web site index, searchable and also browsable by math topic.|none|general reference+none+none+none+none
MathGV&#038trade|http://www.mathgv.com/|com|a mathematical function graphing software program for Windows.  Version 1.00 distributed as freeware.|netxn|none+none+none+none+commercial software
MathMagic|http://forum.swarthmore.edu/mathmagic/|k-12|“MathMagic is a K-12 telecommunications project developed in El Paso, Texas. It provides strong motivation for students to use computer technology while increasing problem-solving strategies . . .”|Swarthmore Univ.|none+none+none+none+primary grades pedagogy+secondary grades
MathMol Home Page|http://www.nyu.edu/pages/mathmol/|k-12|Designed to serve as an introductory starting point for those interested in the field of molecular modeling. Includes K-12 activities, software, and a library of 3D molecular structures.|none|none+none+none+none+none
MathNerds|http://www.mathnerds.com/|k-12|MathNerds provides free, discovery-based, mathematical guidance via an international, volunteer network of mathematicians. MathNerds does not supply answers to homework, take home tests and the like; rather, we provide hints, suggestions, and references to help our clients understand and solve their mathematical problems. 



|none|services+instruction+none+none+none
MathonWeb|http://www.geocities.com/SiliconValley/2902/math.htm|k-12|A page of online math utilities.|none|none+none+none+none+none
Mathskills Network|http://www.hull.ac.uk/mathskills/|inst|A British government funded site to promote interaction and hold workships for math educators.|Hull Univ.|none+none+none+none+pedagogy
Mathstories.com|http://www.mathstories.com/|k-12|Has over 4,000 math word problems for grades k-7|none|none+none+none+none+none
MathTensor Inc.|http://smc.vnet.net/MathTensor.html|com|Developers and distributors of a Mathematica-based package for performing tensor analysis by computer.|vnet|commercial software+tensor analysis+none+none+none
MathTools|http://www.mathtools.com/|com|Makers of MATCOM, a Matlab Visual C++ environment.|mathtools|none+none+none+none+commercial software+C programming langua
MathType|http://www.mathtype.com/|com|MathType by Design Science is the full-featured version of the Equation Editor included in Microsoft Word.  It is easy to use and has many extra features to help create good-looking documents quickly.|mathtype|none+none+none+none+math editor
MathWare Ltd.|http://www.mathware.com/|com|Offers a wide range of high-quality mathematics software titles for purchase online, including MathType, Mathematica, Scientific Notebook, etc., as well as related books.|mathware|commercial software+software+books+none+none
Mathwise|http://www.bham.ac.uk/mathwise|edu|"A computer based learning package for mathematics." A courseware package including mathematical and application modules, reference material, assessments and resource tools.|none|courseware: k-12+commercial software+software+none+none
Matlab/Simulink|http://www.mathworks.com/|com|Company offers a suite of mathematics applications.  Full service site with many resources.|mathworks|none+none+none+none+commercial software
Matrix and Operator Valued Functions|http://www.math.wm.edu/~hugo/oper.html|edu|A monograph from the operator theory research group at the College of William and Mary.|College of William and Mary|none+none+none+none+matrices+operator theory
Matrix Completion Problems|http://www.math.wm.edu/~hugo/compl3.html|edu|A monograph on matrix completion problems from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+matrices
Matrix Inequalities|http://www.math.wm.edu/~ckli/equality.html|edu|A monograph on matrix inequalities from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+matrices
McAllister, David (Escher Collection)|http://www.cs.utah.edu/~dmcallis/Pic/Escher/|pers|An almost comprehensive online gallery of Escher's work.|Univ. of Utah|none+none+none+none+visual math
McGraw Hill|http://www.mhcollege.com/|com|Major textbook publisher.  Full service web site features a huge booklist in mathematics.|mhcollege|none+none+none+none+publishers
McOwen, Robert C.|http://www.math.neu.edu/~mcowen/mathindex.html|pers|Computer labs for undergraduate differential equations are available as postscript or DVI files.|Northeastern|none+none+none+none+partial differential equations
Meaningful Mathematics|http://meaningfulmath.home.att.net/|inst|This site provides materials (pedagogical advice, lesson plans, handouts, software, and resources) to help in the teaching of mathematical modeling at the secondary level.|none|lesson plans+pedagogy+software+none+none
MegaMath|http://www.c3.lanl.gov/mega-math/menu.html|k-12|This intriguing site from the Los Alamos National Laboratory is specially aimed at inspiring primary grades students about mathematics.  Many topics are highlighted and made visually appealing in introductory expositions accessible to school age children.||none+none+none+none+primary grades pedagogy+visual math
Melrose, Richard|http://www-math.mit.edu/~rbm/rbm-home.html|pers|Papers and lecture notes available, including many on Fourier integral operators, homology, pseudofferential operators on manifolds, etc.|MIT|none+none+none+none+fourier analysis
Mersenne Prime Freeware|http://fractal.mta.ca/prime/freeware/|edu|Page of links and downloadables of freeware programs for working with Mersenne primes.|Mount Allison Univ|none+none+none+none+software
Mersenne Primes|http://www.utm.edu/research/primes/mersenne.shtml|edu|History, Theorems, and Lists of Mersenne Primes.  Also conjectures and unsolved problems.|Univ Tennessee Martin|none+none+none+none+primes
Metro State College of Denver|http://clem.mscd.edu/~math-cs/mscdmath.html|edu|Combined math and computer science department offers degree with emphasis in either general math, applied math, math education, probability and statistics, theoretical math, and computer science.|none|none+none+none+none+none
MGA|http://www.mga.com/|com|Makers of ACSL applications for many applied fields.|mga|none+none+none+none+commercial software
MicroMath|http://www.micromath.com/|com|Develops and distributes software for scientists and engineers, for solving equation systems and fitting experimental data.|micromath|none+none+none+none+commercial software
Milicic, Dragan|http://www.math.utah.edu/~milicic/|pers|Many e-prints available, including “Localization and Representation Theory of Reductive Lie Groups” and “On the cohomological dimension of the localization functor.”|Univ of Utah|none+none+none+none+Lie groups
Miller, Arnold W.|http://kleene.math.wisc.edu/~miller/|pers|Papers available include “Orthogonal Families of Real Sequences” and “Souslin's Hypothesis and Convergence in Category.”|Univ of Wisconsin|none+none+none+none+none
Minimal Surfaces|http://www.math.fu-berlin.de/~utefuchs/minsurf.html|edu|Immense and beautiful gallery of minimal surfaces.  Page is in German.|Berlin|none+none+none+none+geometry+visual math
MINIMOGs and Mathematical Blackjack|http://web.usna.navy.mil/~wdj/hexad/hexad.html|edu|An exposition of some ideas of Conway, Curis, and Ryba on steiner systems and a cardgame called mathematical blackjack.|none|games+recreations+game theory+none+none
Minitab Inc|http://www.minitab.com/|com|Makers of the premier statistics package used in academia and data analysis organizations.|minitab|none+none+none+none+commercial analysis+statistics
MIT Press|http://www-mitpress.mit.edu/|com|Full service web site features a long list of mathematical titles from the Massachusettes Institute of Technology Press.|MIT|books+publishers+none+none+none
Mobius Strip|http://scidiv.bcc.ctc.edu/Math/Mobius.html|edu|A brief how-to and exposition on the Mobius strip.|none|topology+recreations+visual math+instruction+none
MOD-2 Cohomology of 2-Groups|http://www.math.uga.edu/~jfc/groups/cohomology.html|edu|Presents data from the computer calculation of the mod-2 cohomology of groups of order 8, 16, 32, and 64.|Univ of Georgia|none+none+none+none+algebraic topology+cohomology
Modern Relativity|http://www.modernrelativity.com/|com|"Over 50 sections explaining the math derivations in general relativity. Includes a special relativity section and a message board and links."  The articles assume some sophistication on the part of the reader.|none|relativity+physics+none+none+none
Monk, Don|http://amath-www.colorado.edu/math/faculty/monkd/Home.html|pers|Minimal page, but with publications and notes on foundational topics, with emphasis on Boolean Algebras, available for download.|Univ. of Colo. Math Dept.|none+none+none+none+boolean algebra+logic
Moonshine Page, The|http://www-cicma.concordia.ca/faculty/cummins/moonshine.html|edu|Brief essay on the Monster Simple Group, with links to other resources.|Concordia|none+none+none+none+group theory
Mr. Olson's Homepage|http://www.hoxie.org/jo/jolson.htm|pers|Homepage of this math teacher from Kansas is a treasure trove of math info, with humor, quotes, and a substantial glossary of secondary school-level mathematics topics.|none|humor+general reference+none+none+none
Mrs. Vales Math Classes|http://www.egusd.k12.ca.us/rutter/vale/|k-12|Provides information about her classes.|none|none+none+none+none+none
Mu Sigma Rho|http://www.stat.sc.edu/msrnatl.html|soc|The National Statistics Honor Society (USA).  Membership information.|Univ of South Carolina|none+none+none+none+statistics
MUN High School Page|http://www.math.mun.ca/~edgar/highschool/highschool.html|k-12|Articles aimed at a high school audience from the math/stats department at MUN.|Memorial Univ of Newfoundland|none+none+none+none+secondary grades pedagogy+instructional
MuPAD|http://www.mupad.de/first.html|edu|A freeware program (downloadable but full version requires registration) described as a general purpose computer algebra system, developed at the University of Paderborn, Germany.|MuPAD|none+none+none+none+symbolic computation+software
MuPAD|http://www.mupad.de/|com|General purpose computer algebra system.  Free download.  Registration required.|mupad|none+none+none+none+commercial software
NASA Space Link: Mathematics|http://spacelink.msfc.nasa.gov/Instructional.Materials/Curriculum.Materials/Mathematics/|k-12|Educator guides and classroom on-lin activities relating to mathematics, from the National Aeronautics and Space Administration.|NASA|none+none+none+none+instructional aids
National Council of Teachers of Mathematics|http://www.nctm.org/|inst|Home page of the NCTM.  Wide array of resources for teachers, including online classifieds, catalog, useful links.|NCTM|none+none+none+none+pedagogy+primary grades pedagogy+seconda
National Physical Science Consortium|http://www.npsc.org/|inst|Offers graduate fellowships in the physical sciences for women and minorities.|NPSC|none+none+none+none+scholarships
National Science Foundation|http://www.nsf.gov/|inst|The National Science Foundation channels US govt. funding to research programs in all branches of science, including pure and applied mathematics.|US Govt.|none+none+none+none+none
Nature|http://www.nature.com/|com|Online version of this prestigious international magazine.  Full-featured and highly informative, with many excellent resources.|nature|none+none+none+none+magazines
NCPublicScools.org|http://www.dpi.state.nc.us/curriculum/mathematics/|k-12|Includes information about the mathematics curriculum for K-12 schools in North Carolina.|none|curriculum+none+none+none+none
Nebraska Mathematics Standards|http://nde4.nde.state.ne.us/IPS/Issu/MATH/mathSTANDS.html|k-12|Includes information about the K-12 math standards in Nebraska|none|curriculum+none+none+none+none
NEC (Computers)|http://www.nec-now.com/necnow/|com|Homepage of this leading manufacture of personal computers.  Full-featured site.|nec-now|none+none+none+none+computers
Netlib Repository|http://www.netlib.org/|edu|A collection of mathematical software, papers, and databases.  Very extensive.|netlib|none+none+none+none+software
Neuberger, John M.|http://jan.ucc.nau.edu/~jmn3/|pers|Contains papers and FORTRAN code for finding sign-changing solutions to superlinear elliptic PDEs.|Northern Arizona Univ.|none+none+none+none+differential equations
New Light Industries|http://www.iea.com/~nli/|com|Develops a genetic algorithm software for solving chemistry, financial, and general problems using Excel.|iea|commercial software+software+computer science+none+none
New Mexico Standards.|http://www.cesdp.nmhu.edu/standards/content/math/index.htm|k-12|Includes information on the math standards for K-12 schools in New Mexico|none|curriculum+none+none+none+none
New Scientist|http://www.newscientist.com/|com|The British counterpart to Scientific American, this magazine's online site is full-featured and highly informative.|newscientist|none+none+none+none+magazines
New York Journal of Mathematics|http://nyjm.albany.edu:8000//nyjm.html|jour|Refereed journal for general mathematics.|Albany, SUNY|none+none+none+none+none
New Zealand Journal of Mathematics|http://www.math.auckland.ac.nz/NZJM/|jour|Subscription and submission information for this paper journal.|Auckland|none+none+none+none+none
New Zealand Mathematical Society|http://www.math.waikato.ac.nz/NZMS/NZMS.html|soc|Home page of the New Zealand Math Society. Useful guide for regional mathematicians.|Waikato|none+none+none+none+none
New Zealand Science Monthly|http://www.spis.co.nz/nzsm/nzsm.htm|com|Magazine dedicated to science research and technology in New Zealand.  Highly informative site with many resources.|spis|none+none+none+none+magazines
Newtons Window|http://www.suzannesutton.com/|k-12|Offers all kinds of help, tips, and resources for students who are having trouble with math.|none|instruction+math anxiety+none+none+none
Noether, Emily; Life and Times|http://xxx.lanl.gov/abs/hep-th/9411110|edu|Subtitled, “Contributions of E. Noether to Particle Physics.”  An essay by Nina Byers of the physics department of UCLA.|LANL|none+none+none+none+biography+women in mathematics
Noetherian Ring, The|http://math.berkeley.edu/~nring/index.html|soc|A society of women in mathematics at U.C. Berkeley.   Lists organization of the society, officers, information on upcoming talks and speakers, etc.|Berkeley|none+none+none+none+women in math
Nonlinear Centre Home Page|http://www.damtp.cam.ac.uk/user/nlc/|edu|The Nonlinear Centre at the Dept. of Applied Math at Cambridge University maintains this rich site devoted to nonlinear mathematics.|Cambridge University DAMTP|none+none+none+none+nonlinear dynamics
Notices of the American Mathematical Society|http://www.ams.org/notices/|jour|Home page of this paper journal for AMS members.|AMS|none+none+none+none+none
NRICH Mathematics Enrichment Club|http://www.nrich.maths.org.uk/|edu|An online mathematics club from England with many, many resources for primary grades students, including a variety of puzzles and problems.|none|problems and puzzles+instructional aids+none+none+none
NTL: Library for doing Number Theory|http://www.cs.wisc.edu/~shoup/ntl/|edu|A high-performance, portable C++ library providing data structures and algorithms for manipulating signed, arbitrary length integers, vectors, matrices, and polynomials over the integers and over finite fields.|Univ. of Wisconsin|none+none+none+none+number theory+software+C programming lan
Number Bracelets Game, The|http://www.math.csusb.edu/faculty/susan/number_bracelets/INDEX.HTM|edu|Number theoretic game for school age children.  Excellent online activity for primary grades students, but with interest for older and more advanced students as well.|Calif State at San Bernardino|none+none+none+none+number theory+instructional aids+problem
Number Theory|http://www.seanet.com/~ksbrown/inumber.htm|edu|An eclectic collection of articles on many number theory topics, by Kevin Brown.|seanet|none+none+none+none+number theory+primes
Number Theory Research Group|http://www.math.mcgill.ca/number.theory.research.group.html|edu|A brief promotional blurb on number theory, with links to members pages and descriptions of their primary research interests, from the research group at McGill University in Canada.|McGill University|none+none+none+none+number theory+algebraic number theory+ge
Number Theory Web|http://www.math.uga.edu/~ntheory/web.html|edu|Links and resources for number theorists.|Georgia, Univ. of|none+none+none+none+number theory
Numerical Algorithms|http://www.baltzer.nl/numa/numa.html|jour|Home page of this paper journal devoted to algorithms, applications and other topics related to numerical computing.|Baltzer|none+none+none+none+numerical analysis+algorithms
Numerical Analysis Group Home Page|http://www.damtp.cam.ac.uk/user/na/na.html|edu|The Dept. of Applied Math at Cambridge University hosts this page for its Numerical Analysis Research Group.|Cambridge University DAMTP|none+none+none+none+numerical analysis
Numerical Objects|http://www.nobjects.com/|com|Makers of Diffpack, a collection of advanced C++ libraries for the numerical solution of partial differential equations.|nobjects|none+none+none+none+commercial software+differential equatio
Numerical Range and Numerical Radius|http://www.math.wm.edu/~ckli/range.html|edu|A monograph on numerical range and numerical radius from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+functional analysis
Numerical Recipes|http://www.nr.com/|com|Homepage for commercially available software and books published by Cambridge UP, including a downloadable electronic version of the book "Numerical Recipes."|Harvard|commercial software+software+books+none+none
Numeroscope, The|http://www.woodrow.org/teachers/math/modules/numeroscope/|inst|An interactive laboratory of numbers and cryptography. Extensive essays on number theoretic applications.|W. Wilson Foundation|none+none+none+none+cryptography+number theory
O-Matrix|http://www.omatrix.com/|com|Complete RAD and analysis solution for math, science, engineering, and technical computing.  Interactive analysis and visualization environment.|omatrix|none+none+none+none+commercial software
OMNI|http://www.omnimag.com/|com|Online version of this popular science/science-fantasy magazine.|omnimag|none+none+none+none+magazines
One Hundred Days|http://www.marshall-es.marshall.k12.tn.us/mes/100day/100.html|k-12|Has a list of activities for 100th day celebrations.K-2|none|lesson plans+pedagogy+none+none+none
One Hundred Days Project-- Joseph Lee School|http://lee.boston.k12.ma.us/gr/apod.asp|k-12|Includes 100th celebration activities for K-2|none|lesson plans+pedagogy+none+none+none
Online Encyclopedia|http://www.hk.super.net/~cismath/encyclopedia.htm|edu|A sparse but interesting encyclopedia of mathematical terms and topics.|Chinese International School|none+none+none+none+instructional aids+general reference
Ontario Association for Mathematics Education.|http://main.mathstat.uoguelph.ca/oame/index.html|edu|Information on math-ed issues in Canadian education.  Includes the Ontario Mathematics Gazette, and periodical for math-ed in Ontario.|Guelph, Univ. of|none+none+none+none+primary grades pedagogy+secondary grades
Operations Research and Math Finance at Boston Univ.|http://math.bu.edu/people/ogi/or-mf.html|edu|The home page of the operations research and mathematical finance research group at Boston Univ.|Boston Univ.|none+none+none+none+operations research+finance
Operator Algebra Resources|http://darkwing.uoregon.edu/~ncp/OpAlgResources/OpAlgPages/opalg.html|edu|A page of links of various kinds to information of interest to researchers in operator algebras.|Univ. of Oregon|none+none+none+none+operator theory
Ops Research Library|http://mscmga.ms.ic.ac.uk/info.html|edu|A collection of test data sets for a variety of OR problems.|Imperial College|none+none+none+none+operations research
OR/MS Today|http://www.lionhrtpub.com/ORMS.shtml|com|The magazine for members of the Institute for Operations Research and the Management Sciences.|lionhrtpub|magazines+operations research+none+none+none
Otter: An Automated Deduction System|http://www.mcs.anl.gov/home/mccune/ar/otter/|edu|Designed to prove theorems stated in first-order logic with equality.  From the Argonne National Laboratory.|ANL|none+none+none+none+logic+software
Oxford University Press|http://www.oup.co.uk/|com|Home page of the Oxford UP, which publishes a wide range of titles.  Full-featured site.|oup|none+none+none+none+publishers
Pacific Institute for the Mathematical Sciences|http://www.pims.math.ca/|inst|A Canadian institute devoted to promotion of the mathematical sciences in academia, industry, and society.  Hosts diverse research activities.|PIMS|none+none+none+none+none
Palais, Richard S.|http://rsp.math.brandeis.edu/|pers|Researcher in compact differentiable transformation groups, nonlinear global analysis, critical point theory, submanifold geometry, and integrable systems and solitons.  Also developing 3D-Filmstrip, a mathematical visualization program.|Brandeis Univ|none+none+none+none+solitons
Paraconsistent Logic|http://plato.stanford.edu/entries/logic-paraconsistent/logic-paraconsistent.html|edu|An entry in the online Stanford Encyclopedia of Philosophy.  “The development of paraconsistent logic was initiated in order to challenge the logical principle that anything follows from contradictory premises.”|Stanford Univ.|none+none+none+none+logic+philosophy
PARI-GP|http://hasse.mathematik.tu-muenchen.de/ntsw/pari/Welcome_e.html|edu|A C library for number theory, Galois theory, and elliptic curves, as well as lineary algebra and modules.|Munich Tech Univ|none+none+none+none+software+field theory+linear algebra+alg
Pascal Math Routines|http://ourworld.compuserve.com/homepages/hamm/|edu|A collection of pascal math routines.  Downloadable sourcecode.|compuserve|none+none+none+none+software
Patterns, Programs, and Links for Conway's Game of Life|http://www.cs.jhu.edu/~callahan/lifepage.html#glossback|edu|Resource rich page includes exposition, articles, links, software, and a Java applet.|Johns Hopkins|none+none+none+none+cellular automaton+artificial intelligen
Paulos, John Allen|http://www.math.temple.edu/~paulos/|pers|Home page of John Allen Paulos, author of Innumeracy and other popular books on mathematics.  Includes links to some nice recent articles by Paulos, including one on the abuse of statistics in the O.J. Simpson case.|Temple Univ.|none+none+none+none+none
Peanut Software for Windows|http://www.exeter.edu/~rparris/|edu|A collection of executables for Windows, for geometry, curve plotting, etc.|Exeter|none+none+none+none+software
Pedagoguery Software|http://www.peda.com/|com|Makers of GrafEq and other applications for helping students understand basic mathematics. Evaluation versions available for download.|café|commercial software+software+none+none+none
Peeva, Irena|http://www-math.mit.edu/~irena/|pers|Many papers available, particularly on toric varieties and other homological commutative algebra topics.|MIT|none+none+none+none+commutative algebra
Pemantle, Robin|http://kleene.math.wisc.edu/~pemantle/|pers|Downloadable papers from this probabilist include “Resistance bounds for first-passage percolation and maximum flow” and “Vertex reinforced random walk on Z has finite range.”|Univ of Wisconsin|none+none+none+none+probability
Perfect Scientific Inc.|http://www.perfsci.com/|com|Company offers software, documents, and books on compression, fast Fourier transform, wavelets, graphic, fractals, convolution, signal processing, matrix algebra, genetic algorithms, and number theory.|perfsci|none+none+none+none+commercial software
Petit, Jean-Pierre|http://www.jp-petit.com/|pers|Remarkably sophisticated page devoted to the work of this physicist.  Emphasis is on the “geometrization of physics.”  Includes fascinating material on cosmology, physics, and geometry.||none+none+none+none+physics+astrophysics
Philosophia Mathematica|http://www.amath.umanitoba.ca/PM/|jour|Home page of this paper journal, the only one in the world devoted exclusively to the philosophy of mathematics.  Informative page, with abstracts of current articles and subscription and submission information.||none+none+none+none+philosophy
Philosophy of Sci and Math events in Britain|http://www.liv.ac.uk/~larvor/philsci.html|edu|Page from Liverpool devoted helping philosophers of science and mathematics in Britain network with each other.  Useful links.|Univ of Liverpool|none+none+none+none+philosophy
Pi Mu Epsilon|http://www.snc.edu/pme/|soc|The home page of Pi Mu Epsilon, a national (USA) honorary student/professional society devoted to the promotion of scholarship in mathematics.  The page offers society information as well as information on forming new chapters.|snc|none+none+none+none+clubs
Pickover, Clifford A.|http://sprott.physics.wisc.edu/pickover/home.htm|pers|Home page of this well known populizer, conceptualist, and author.  Very eclectic and stimulating information, such as “Odd Mathematical Lists”, “Cosmic Questions,” and “The Scales of Good and Evil.”|Wisconsin Univ|none+none+none+none+visual math
Pictures from Differential Geometry|http://www-sfb288.math.tu-berlin.de/~konrad/Calendar/Calendar.htm|edu|Exquisite images of surfaces taken from a collection of calendars.|Berlin|none+none+none+none+visual math
PiHex: A Distributed Project to Calculate Pi|http://www.cecm.sfu.ca/projects/pihex/pihex.html|edu|Help to expand the known decimal expansion of Pi by donating your unused Pentium CPU cycles.|SFU|none+none+none+none+number theory
Plane Math|http://www.planemath.com/|k-12|Includes activities about math and aeronautics.|none|none+none+none+none+none
Plateau's Problem|http://scidiv.bcc.ctc.edu/Math/Plateau.html|edu|A brief, well illustrated exposition of the soap bubble or minimal surface problem.|none|topology+visual math+none+none+none
Polyhedra of M.C. Escher, The|http://www.li.net/~george/virtual-polyhedra/escher.html|edu|An in-depth examination of the polyhedra used in Escher's artwork.  Includes Java programs for examining the figures, rotating and transforming them, etc., and an exposition on the platonic solids.|li.net|none+none+none+none+visual math
Popular Science|http://www.popsci.com/|com|Homepage of this well-known magazine, with good online content.|popsci|none+none+none+none+magazines
Postnikov, Alexander|http://www-math.mit.edu/~apost/|pers|Papers available in many formats include “On a Quantum Version of Pieri's Formula,” “Intransitive Trees,” and “Quantum Schubert Polynomials.”|MIT|none+none+none+none+representation theory
Previato, Emma|http://math.bu.edu/people/ep/|pers|Papers available in postscript include an abstrace of “Poncelet's Theorem in Space.”|Boston University|none+none+none+none+algebraic geometry+differential equation
Primary Activities|http://www.aimsedu.org/activities/primary.html|k-12|Lesson plans and activities for primary graders from AIMS Education Foundation.|AIMS|none+none+none+none+primary grades
Prime Arithmetics Inc.|http://www.primearithmetics.com/|com|Producers of data structure management software.|primearithmetics|none+none+none+none+commercial software
Prime Page, The|http://www.utm.edu/research/primes/|edu|An outstanding page on every aspect of prime numbers, with articles, software, and other information and resources.|UTM|none+none+none+none+number theory
Primes Puzzles and Problems Connection|http://www.sci.net.mx/~crivera/|inst|“Our main purpose is to create an anthology of the most interesting problems and puzzles explicitly related to primes.”  A nicely designed and informative page.|SCI|none+none+none+none+primes+puzzles
Princeton University Press|http://pup.princeton.edu/|com|Homepage of the Princeton UP, which publishes a wide range of popular and textbook math titles.|princeton|books+publishers+none+none+none
Priority Academic Student Skills|http://sde.state.ok.us/acrob/pass/math.pdf|k-12|Includes information on the math curriculum for K-12 students in Oklahoma|none|curriculum+none+none+none+none
Probability and Statistics|http://www.seanet.com/~ksbrown/iprobabi.htm|edu|A large collection of articles by Kevin Brown, on diverse topics.  Very accessible.|seanet|none+none+none+none+statistics
Probability and Stats Group at Boston Univ.|http://math.bu.edu/research/statistics/|edu|The home page of the probability and stats research group at Boston Univ.|Boston Univ.|none+none+none+none+probability+statistics
Probability Web, The|http://www.maths.uq.oz.au/~pkp/probweb/probweb.html|edu|“The Probability Web is a collection of pages maintained by Phil Pollett to serve people with interests in probability theory and its applications.”||none+none+none+none+probability+statistics
Problem Solving Concepts Inc.|http://www.prosolv.com/|com|Software manufacturer, develops problem solving products including a symbolic calculator and problem solving software for physics.|prosolv|none+none+none+none+commercial software
Proceedings of the American Mathematical Society|http://www.ams.org/proc/|jour|Publishes papers in all fields.|AMS|none+none+none+none+none
Professor Freedman's Math Help|http://www.mathpower.com|com|Offers information about basic math and algebra, and specifically addresses the needs of the community college adult learner, although high school students and teachers will find valuable information here too. Includes information about learning styles, study skills tips, tutorial lessons, math assignments, links to free tutors, math videos, math games, and ways to reduce math anxiety.

|none|tutorials+instructional aids+none+none+none
Project SkyMath: Making Mathematical Connections|http://www.unidata.ucar.edu/staff/blynds/Skymath.html|k-12|A site from the University Corporation for Atmospheric Research.  “Designed for middle school math teachers. It contains info needed for teachers to use the 16 classroom activities of SkyMath.”|UCAR|none+none+none+none+instructional aids
Prolegomena (Immanuel Kant)|http://www.utm.edu/research/iep/text/kant/prolegom/pro-1st.htm|edu|“First part of the transcendental problem: How is pure mathematics possible?”  Text of this interesting article of Kant's, from the Internet Encyclopedia of Philosophy at the University of Tennessee at Martin.|Univ of Tennessee|none+none+none+none+philosophy
Proth Search Page|http://ballingerr.xray.ufl.edu/proths/|edu|Program (freeware) for Win95 to find large primes.  Coordinated primes search is run from this page.||none+none+none+none+number theory
Pure and Applied Logic at Carnegie Mellon|http://www.cs.cmu.edu/afs/cs/project/pal/www/pal.html|edu|The home page for the interdisciplinary doctoral program in pure and applied logic at Carnegie Mellon University.|Carnegie Mellon|none+none+none+none+logic
Puzz.com|http://www.puzz.com/|com|A site devoted to "analogies, IQ tests, trivia, puzzles, contests, and games."  Has a daily puzzle newsletter to which you can subscribe.|none|problems and puzzles+recreations+none+none+none
Pythagoras' Theorem|http://sunsite.ubc.ca/DigitalMathArchive/Euclid/java/html/pythagoras.html|edu|Interactive page with proofs, history, and other information about the Pythagorean Theorem.|UBC|none+none+none+none+geometry+visual math
Qhull|http://www.geom.umn.edu/software/qhull/|edu|Program from the Geometry Center that computes convex hulls, Delaunay triangulations, halfspace intersections, Voronoi regions and vertices, etc.  Runs in 2-d, 3-d, 4-d, and higher dimensions.|UMN|none+none+none+none+geometry+software
Quadratic Equation Solver|http://www.arachnoid.com/quadsolver/index.html|com|An online calculator for solving quadratic equations.|none|calculators+algebra+none+none+none
Qualitative Matrix Theory|http://www.math.wm.edu/~hugo/qual.html|edu|A monograph on qualitative matrix theory from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+matrices
Quantum|http://www.nsta.org/quantum/|com|“The magazine of math and science.”  Homepage of this magazine has little online content.|nsta|none+none+none+none+magazines
Quarterly Journal of Mechanics and Applied Mathematics|http://www.oup.co.uk/qjmamj/|jour|Publishes papers on all aspects of mechanics.|Oxford UP|none+none+none+none+physics
R&#038D Publishing|http://www.math.hawaii.edu/RDPublishing/|com|An online publishing venture, soliciting manuscripts and making them available at low cost as PDF files to be downloaded either as individual copies or with site licenses.  A promising idea for those concerned about the spiraling cost of textbooks.|Univ of Hawii|none+none+none+none+publishers
Real World Geometry|http://www.crosswinds.net/~burtonm/webtemplate.html|k-12|Lesson plan teaching geometry skills.|none|lesson plans+pedagogy+none+none+none
Red Apple Online.com|http://www.redappleonline.com/|com|A resource site for k-12 educators, offering both professional and personal enrichment.  Includes lesson plans, information on grants and school safety, job postings, and news, calendars, and chat rooms.|none|pedagogy+careers+lesson plans+instructional aids+none
Representation Theory|http://www.ams.org/ert/|jour|Electronic journal of the American Mathematical Society|AMS|none+none+none+none+modern algebra+differential topology+rep
Reverse Engineering Calculator, The|http://psg.cecm.sfu.ca/projects/revenge/client/RevEngClient.html|edu|A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.  Fascinating.|SFU|instructional aids+analysis+number theory+none+none
Robbin, Joel W.|http://kleene.math.wisc.edu/~robbin/|pers|The author of “Matrix Lalgebra Using MINImal MATlab” has many resources available, including a Minimat Java applet and reference manual, and a Linear Transformation Grapher.|Univ of Wisconsin|none+none+none+none+matrices
Rodrigues, Mariano|http://www.ric.edu/rod/|pers|Many resources available on HTML and visual math, especially the expression of mathematical ideas in the work of M.C. Escher, Salvador Dali, and others.  Additionally, there is a very nice set of pages on the golden mean.|Rhode Is. Coll.|none+none+none+none+visual math+web design
Roman Art of Counting|http://geocities.com/Athens/Forum/6946/romannumerals.html|com|Brief exposition of the Roman numeral system, with links to many other pages concerning roman history.|none|history+notation+none+none+none
Roman Numerals 101|http://www.cod.edu/people/faculty/lawrence/romans00.htm|edu|Page offers a complete introduction to the Roman numeral system.  E-book version also available.|none|history+notation+none+none+none
Ron, Amos|http://www.cs.wisc.edu/~amos/|pers|Among many resources available are downloadable papers, including “Affine systems: the analysis of the analysis operator.”|Univ of Wisconsin|none+none+none+none+approximation theory+wavelets
Rose, Lauren|http://www-math.mit.edu/~rose/|pers|Papers available include “Combinatorial and Topological Invariants of Modules of Piecewise Polynomials” and “Iterated Homology of Simplicial Complexes.”|MIT|none+none+none+none+commutative algebra+discrete geometry
Rosenberg, Steve|http://math.bu.edu/people/sr/|pers|Papers available for download include: “Minimal submanifolds of metrics” and “Homotopy and homology vanishing theorems and the stability of stochastic flows.”  Author of “The Laplacian on a Riemannian Maniforld,” published by Cambridge UP.|Boston Univ.|none+none+none+none+differential geometry+physics
Roslanowski, Andrzej|http://diamond.idbsu.edu/~roslanow/|pers|Home page of this set theorist working at Boise State University features many papers available for download in DVI format.|Boise State Univ|none+none+none+none+set theory
Ross, Chip|http://www.bates.edu/~sross/|pers|This educator at Bates College in Maine has some interesting fractal images, with important information on the fractals themselves.  One of the more interesting pages for lovers of fractals and fractal images.|Bates College|none+none+none+none+dynamics
Royal Statistical Society|http://www.maths.ntu.ac.uk/rss/index.html|soc|Excellent online information about society activities.|Nottingham Trent Univ|none+none+none+none+statistics
Ruberman, Daniel|http://www.math.brandeis.edu/Faculty/ruberman/|pers|Papers available in many formats include “Isotopy of diffeomorphisms of 4-manifolds” and “Mutation and Gauge Theory.”|Brandeis|none+none+none+none+topology+knot theory
Rubik's Cube-like Puzzles|http://web.usna.navy.mil/~wdj/rubik.html|edu|Page devoted to the mathematics behind Rubik's cube and similar puzzles.|none|games+recreations+none+none+none
Rucker, Rudy|http://www.mathcs.sjsu.edu/faculty/rucker/|pers|Home page of the author of Infinity and the Mind, Mind Tools, etc.  Many resources available related to cellular automata and other computing topics, with downloadable software.|San Jose State Univ.|none+none+none+none+cellular automata+artificial intelligenc
Rudolph, Lee|http://aleph0.clarku.edu/~lrudolph/|pers|Material available includes abstracts of papers and current research.|Clark Univ|none+none+none+none+knot theory
Russell, Bertrand|http://plato.stanford.edu/entries/russell/russell.html|edu|Biographical page from the online Stanford Encyclopedia of Philosophy.|Stanford Univ|none+none+none+none+biography
Russian National Mathematical Competitions|http://www.mathpro.com/math/archive/RusMath.txt|edu|English translation of challenging problems.|Mathpro|none+none+none+none+problems
Sacred Geometry|http://www.geocities.com/vincebeall/|com|Not a math site, but something like numerology.  Uses regular solids to express mystical ideas.  Includes a nice utility to rotate the solids on-screen.|none|visual math+art+none+none+none
Saltire Software|http://www.saltire.com/|com|Maker of constraint-based interactive geometry systems, symbolic algebra, and optimization.|saltire|none+none+none+none+commercial software
SAMI: Science And Math Initiatives|http://sami.lanl.gov/|k-12|The goal of the SAMI project was to improve math and science education in a rural setting.|none|none+none+none+none+none
Schneider, Hans|http://kleene.math.wisc.edu/~hans/|pers|Papers available from this linear algebraist include “Inverse M-matrix inequalities and generalized ultrametric matrices” and “Inverses of unipathic M-matrices.”|Univ of Wisconsin|none+none+none+none+matrices
Schoolnet|http://www.schoolnet.ca/math_sci/math/|k-12|A service from Canada featuring resources for k-12 mathematics education.  Invites submissions of new material.|Schoolnet|none+none+none+none+primary grades pedagogy+secondary grades
Schools Of California Online Resources For Education (SCORE)|http://score.kings.k12.ca.us/|k-12|Includes lesson plans, a discussion board, and other teaching resources.|none|lesson plans+pedagogy+none+none+none
Science Academy Software|http://www.scienceacademy.com/|com|Produces educational software for home, work and classroom use.|science academy|none+none+none+none+commercial software
Science Center Lesson- Celebrating The 100th Day Of School|http://www.minnetonka.k12.mn.us/science/lessonsk1/hundred.html|k-12|Includes a list of books and an activity for celebrating the 100th day of school in a K-1 class.|none|pedagogy+lesson plans+none+none+none
Science News|http://www.sciencenews.org/|com|General science magazine.  Many resources online.|sciencenews|none+none+none+none+commercial software
Science Online|http://www.sciencemag.org/|com|Electronic version of the journal “Science.”|AAAS|none+none+none+none+magazines
Science Teachers Enhancement Model (STEM)|http://www.nyu.edu/projects/mstep/menu.html|k-12|Includes lesson plans, activites, and information about the math, science and technology enhancement project.|none|lesson plans+none+none+none+none
Scientific American|http://www.sciam.com/|com|The online site of this premier science magazine, with Ian Stewart's monthly math column.  Excellent online content and resources.|sciam|none+none+none+none+magazines
Scientific American Frontiers|http://www.sciam.com/frontiers/index.html|com|Home page of this popular television show, with information on the upcoming season.|sciam|none+none+none+none+magazines
Scientific Graphics Project|http://www.msri.org/publications/sgp/SGP/|edu|Devoted to computer graphics of mathematical models, curves, and surfaces.  Many beautiful and instructive animated images, with complete information about the mathematical object under consideration and its significance.|MSRI|none+none+none+none+geometry+software+visual math
Scilab|http://www-rocq.inria.fr/scilab/|edu|A scientific software package for numerical computations.  Matlab-like syntax with symbolic capabilities through Maple interface.|INRIA|none+none+none+none+software+numerical analysis
SCORE Mathematics Lessons|http://www.kings.k-12.ca.us/math/lessons/|k-12|A large collection of lesson plans for grades k-12 from the district in California.|Kings County CA|none+none+none+none+primary grades pedagogy
Search for Optimal Golomb Rulers|http://members.aol.com/golomb20/index.html|edu|A distributed computing site to help find Golomb Rulers.  (No, we didn't know what they were either.  You should check it out.)|aol|none+none+none+none+number theory
Seeger, Andreas|http://kleene.math.wisc.edu/~seeger/|pers|A large collection of preprints is available, including “Classes of singular integral operators along variable lines,” “On oscillatory integrals with folding canonical relations,” and “Radon transforms and finite type conditions.”|Univ of Wisconsin|none+none+none+none+real analysis
Set Theory and Foundations|http://www.seanet.com/~ksbrown/ifoundat.htm|edu|A large and unusual collection of essays in the foundations of mathematics, by Kevin Brown.  Well worth the read.|seanet|none+none+none+none+set theory
SETI at Home|http://setiathome.ssl.berkeley.edu/|edu|A distributed computing project from the folks at SETI -- Search for Extra-Terrestrial Intelligence.|Berkeley|none+none+none+none+none
SFU Stats Links to Statistical Packages|http://www.math.sfu.ca/stats/software.html|edu|Many statistical software packages are available for download from this site.|Simon Fraser University|none+none+none+none+statistics+software
Shazam|http://shazam.econ.ubc.ca/|com|Makers of an econometrics computer program for econometricians, statisticians, engineers, sociometricians, psychometricians, and others who use statistical techniques|shazam|commercial software+software+none+none+none
Shelah, Saharon|http://math.rutgers.edu/~shelah/|pers|Large collection of papers in set theory downloadable as DVI files, and information on books by Dr. Shelah as well.|Rutgers|none+none+none+none+set theory
Shell Centre for Mathematical Education|http://acorn.educ.nottingham.ac.uk/ShellCent/|edu|Center for research in mathematics education at the Univ. of Nottingham.|Nottingham, Univ. of|none+none+none+none+pedagogy
SIAM Journal on Applied Mathematics|http://www.siam.org/journals/siap/siap.htm|jour|Subscription journal.|SIAM|none+none+none+none+none
SIAM Journal on Computing|http://www.siam.org/journals/sicomp/sicomp.htm|jour|Subscription journal.|SIAM|none+none+none+none+computer science
SIAM Journal on Control and Optimization|http://www.siam.org/journals/sicon/sicon.htm|jour|Subscription journal|SIAM|none+none+none+none+optimization theory+operations research
SIAM Journal on Discrete Mathematics|http://www.siam.org/journals/sidma/sidma.htm|jour||SIAM|none+none+none+none+probability+combinatorics
SIAM Journal on Mathematical Analysis|http://www.siam.org/journals/sima/sima.htm|jour|Subscription journal|SIAM|none+none+none+none+real analysis
SIAM Journal on Matrix Analysis and Applications|http://www.siam.org/journals/simax/simax.htm|jour|Subscription journal.|SIAM|none+none+none+none+matrices
Siam Journal on Numerical Analysis|http://www.siam.org/journals/sinum/sinum.htm|jour|Subscription Journal.|SIAM|none+none+none+none+numerical analysis
SIAM Journal on Optimization|http://www.siam.org/journals/siopt/siopt.htm|jour|Subscription Journal.|SIAM|none+none+none+none+optimization theory
SIAM Journal on Scientific Computing|http://www.siam.org/journals/sisc/sisc.htm|jour|Subscription journal.|SIAM|none+none+none+none+computer science+algorithms
Silverman, Joseph H.|http://www.math.brown.edu/~jhs/|pers|Many papers available on elliptic curves and other number theoretic topics.  Books include “The Arithmetic of Elliptic Curves” and “A Friendly Introduction to Number Theory.”|Brown Univ.|none+none+none+none+number theory+cryptography
Silvie Gallet's Fractal Gallery|http://ourworld.compuserve.com/homepages/Sylvie_Gallet/|edu|A nicely done gallery.|compuserve|none+none+none+none+visual math
SIMATH|http://emmy.math.uni-sb.de/~simath/|edu|Software package for number theory and elliptic curves.|Univ Saarbrucken|none+none+none+none+software+number theory+algebraic geometr
Simple Magic Square Checker|http://www.geocities.com/CapeCanaveral/Lab/3469/squaremaker.html|com|Page has an online program that checks magic squares for authenticity and creates gifs of magic squares.  Much fun.|none|recreations+visual math+none+none+none
Sinha, Dev|http://www.math.brown.edu/~dps/|pers|Dr. Sinha has good problem sets in linear algebra and number theory available.  Papers available include “Computations in Complex Equivariant Bordism Theory.”|Brown Univ.|none+none+none+none+algebraic topology
Skeptical Inquirer|http://www.csicop.org/si/|com|Homepage of "Skeptical Inquirer: The Magazine for Science and Reason."  Specializes in debunking pseudoscience and popular superstitions. Full-featured site includes online and offline subscription offers.|advicom.net|magazines+none+none+none+none
Smarandache Notions Journal|http://www.gallup.unm.edu/~smarandache/|jour|An online journal devoted to the number theoretic work of Romanian mathematician Florentin Smarandache.  A rich collection of results, conjectures, and open problems are available, and authors are invited to contribute.|Univ New Mexico|none+none+none+none+number theory
Smile Mathematics|http://smilemathematics.co.uk/|com|A full-featured site from the UK that offers instructional aids, lesson plans, software, and other math pedagogical resources.|none|instructional aids+pedagogy+lesson plans+none+none
Society for Industrial and Applied Mathematics|http://www.siam.org/|soc|Extensive online resources.|SIAM|none+none+none+none+operations research
Society for Non-Linear Dynamics and Econometrics|http://www-snde.rutgers.edu/SNDE/society/snde.html|soc|Informative page from this society which also publishes an online journal.|Rutgers Univ|none+none+none+none+nonlinear dynamics+finance
Society of Actuaries|http://www.soa.org/|soc|Highly developed page with a wealth of resources for actuarial scientists.|soa|none+none+none+none+statistics
SoftFloat|http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/softfloat.html|edu|Software implementation of the IEC/IEEE Standard for Binary Floating-point arithmetic.|Berkeley|none+none+none+none+software
Solitons Home Page|http://www.ma.hw.ac.uk/solitons/|edu|Page devoted to research in solitons.  Includes downloadable movies and other resources.|Herriot-Watt Univ|none+none+none+none+waves
Solutions|http://www.qbc.clic.net/Elan/|edu|Mathematical windows software built for engineers and scientists.  Twenty classes of function from algebra to statistics.  Programmable.|qbc|none+none+none+none+software
Songs And Poems For 100 Days-- Joseph Lee School|http://lee.boston.k12.ma.us/gr/asongs.html|k-12|Songs and poems for 100th celebrations. K-2|none|pedagogy+none+none+none+none
South Carolina Mathematics Curriculum Standards|http://www.state.sc.us/sde/educator/standard/mathrevu/index.html|k-12|Includes information on the math standards for K-12 schools in South Carolina|none|curriculum+none+none+none+none
South Dakota Mathematical Standards Document|http://www.state.sd.us/deca/ContentStandards/math/math.htm|k-12|Includes information on the South Dakota math curriculum standards for K-12 students.|none|curriculum+none+none+none+none
Southeastern Applied Analysis Center|http://www.math.gatech.edu/saac/index.html|edu|Research group at Georgia Tech for applied analysis.|Georgia Inst. of Tech.|none+none+none+none+real analysis
Southwest Missouri State's Problem Corner|http://math.smsu.edu/~les/POTW.html|edu|Interesting and challenging problems from this department for math undergraduates.|Southwest Miss. State. Univ.|none+none+none+none+puzzles
Special Classes of Matrices|http://www.math.wm.edu/~ckli/nonneg.html|edu|A monograph on special classes of matrices from the research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+matrices
Spielman, Daniel|http://www-math.mit.edu/~spielman/|pers|Papers on computation and complexity include “Practical Loss-Resilient Codes” and “Highly Fault-Tolerant parallel Computation.”||none+none+none+none+computer science
Springer Verlag|http://www.springer.de/|com|Premier German publisher of mathematical textbooks.  Full-featured site.|springer|none+none+none+none+publishers
SRI Computer Science Laboratory|http://www.csl.sri.com/|com|Commercially supported research group in computer science, with many resources, including software, available.|SRI|computer science+software+none+none+none
Standards Of Learning For Mathematics|http://www.pen.k12.va.us/go/Sols/math.html|k-12|Includes information on the math curriculum standards for K-12 students in Virginia Public Schools.|none|curriculum+none+none+none+none
Stanley, Richard P.|http://www-math.mit.edu/~rstan/|pers|Many papers in combinatorics available for download, including “Graph colorings and related symmetric functions” and “Polygon dissections and standard Young Tableaux.”|MIT|none+none+none+none+combinatorics
Statistical Society of Australia|http://www.mathstat.flinders.edu.au/stats/stat_soc.html|soc|Includes a web guide and departmental links.|Univ of Sydney|none+none+none+none+statistics
Statistical Society of Canada|http://mast.queensu.ca/~ssc/|soc|Informative site with many resources available.|Queens Univ|none+none+none+none+statistics
Statistical Solutions|http://www.statsol.ie/|com|Distributes and supports a range of scientific and technical statistical software applications.|statsol|none+none+none+none+commercial software
Statistics Canada|http://www.statcan.ca/|inst|Resource for statistical data and information on economic and social conditions in Canada||none+none+none+none+general reference
Statistics: The Study of Stability in Variation|http://www.stat.ucla.edu/textbook/|edu|Online introductory course in statistics.|UCLA|none+none+none+none+statistics
Statlets|http://www.statlets.com/|com|A collection of JAVA applets for visualization of statistics (histograms, etc.).  Free access to many applications.|Statlets|none+none+none+none+commercial software+statistics
StatLib|http://lib.stat.cmu.edu/|edu|Page of the CMU Stats department featuring downloadable software and other goodies.|Carnegie Mellon Univ|none+none+none+none+statistics+software
StatLib Index|http://www.stat.cmu.edu/|edu|A general statistics resources page including software and abstracts.|Carnegie Mellon University|none+none+none+none+statistics+probability
Stepping Stones to Mathematical Modeling|http://www.indiana.edu/~hmathmod/|edu|Site to facilitate the teaching and learning of mathematical modeling in secondary school mathematics classes.|Indiana Univ|none+none+none+none+secondary grades pedagogy+instructional
Strang, Gilbert|http://www-math.mit.edu/~gs/|pers|Author of a large number of widely used textbooks in linear algebra, calculus, and applied mathematics.  A large number of recent papers in wavelets is available for download.|MIT|none+none+none+none+wavelets
Strikwerda, John C.|http://www.cs.wisc.edu/~strik/strik.html|pers|Numerical analysis and computational fluid dynamics.  Downloadable papers include “A Convergence Theorem for Chaotic Asynchronous Relaxation” and “High-Order Accurate Schemes for Incompressible Viscous Flow.”|Univ of Wisconsin|none+none+none+none+numerical analysis
Structuralism, Category Theory, and Philosophy of Mathematics|http://www.mmsysgrp.com/strctcat.htm|edu|An online essay by Richard Sefanik|Multimedia Systems Group|none+none+none+none+philosophy+category theory
Suber, Peter|http://www.earlham.edu/~peters/hometoc.htm|edu|Home page of this philosopher and computer scientist at Earlham College in Indiana; best know as the inventer of the game Nomic.  Includes publications, and full information for Nomic enthusiasts.||none+none+none+none+philosophy+computer science
Suciu, Alexandru|http://www.math.neu.edu/~suciu/mathindex.html|pers|Many papers available for download on topology, homology of discrete groups, homotopy theory of high-dimensional knots.|Northeastern|none+none+none+none+topology
Sun Microsystems (Computers)|http://www.sun.com/|com|Leading manufacturer of powerful computer workstations.  Full-featured site.|sun|none+none+none+none+computers
Superkids|http://www.superkids.com/aweb/tools/math/index.shtml|k-12|Includes a program for creating math drill worksheets.|none|none+none+none+none+none
Surfstat Australia online textbook|http://frey.newcastle.edu.au/Stats/surfstat-admin/gateway.html|edu|Online textbook in statistics.|Univ of Newcastle|none+none+none+none+courseware: college+statistics
SyllabusWeb|http://www.syllabus.com/|com|Home page of this magazine for educators.  Informative site, with a free subscription offered.|syllabus|none+none+none+none+pedagogy+magazines
Symbolic Computation Group at FSU|http://klein.math.fsu.edu/~seppala/Symbolic/index.html|edu|Research group at Florida State Univ., with online papers available.|Florida State Univ.|none+none+none+none+symbolic computation
Symbolic Manipulation of Random Variables|http://www.math.wm.edu/~leemis/research2.html|edu|A monograph on symbolic manipulation from the operations research group in this area at the College of William and Mary.|College of William and Mary|none+none+none+none+operations research
Symbolic Sculpture|http://www.bangor.ac.uk/~mas007/welcome.html|edu|Gallery of beautiful sculptures by an artist in association with the Center for the Popularization of Math at the University of Wales at Bangor.|Wales, Univ. of, Bangor|none+none+none+none+visual math
Symmetry and Tessellations|http://www.camosun.bc.ca/~jbritton/jbsymteslk.htm|edu|Contains links to over 50 sites dealing with symmetry and tessellations. Material is subdivided into activities coordinated with new Middle School book “Investigating Pattern: Symmetry and Tessellations” by Jill Britton.|camosun|none+none+none+none+visual math
Tangents Online|http://www.math.harvard.edu/~hmb/|jour|Online version of the Harvard-Radcliffe Mathematics Bulletin.|Harvard Univ.|none+none+none+none+none
Taqqu, Murad|http://math.bu.edu/people/murad/|pers|In addition to available papers, Dr. Taqqu's page includes an online course in statistical methods for long-range dependence.|Boston Univ.|none+none+none+none+statistics+probability
Teacher's Edition Online|http://www.teachnet.com/|k-12|Online news, resources, and professional development resources for k-12 teachers.|teachnet|none+none+none+none+pedagogy+commercial media
Teachers Helping Teachers|http://www.pacificnet.net/~mandel/Math.html|k-12|Large collection of lesson plans contributed by users for k-12 math.|Pacific Net|none+none+none+none+primary grades pedagogy+secondary grades
Teachers Teaching with Technology|http://www.ti.com/calc/docs/resource.htm|com|Promotional site from Texas Instruments with resources for educators.|Texas Instruments|none+none+none+none+instructional aids
Ten Primes|http://www.ltkz.demon.co.uk/ar2/10primes.htm|edu|A page celebrating the discovery, in March of 1998, of ten consecutive primes in arithmetic progression.  Interesting information on how it was accomplished.||none+none+none+none+primes
Ten Ways to Reduce Math Anxiety|http://fc.whyy.org/CCC./alg1/reduce.htm|edu|A brief list of advice for overcoming math anxiety.|WHYY|none+none+none+none+study guides
Terao, Hiroaki|http://kleene.math.wisc.edu/~terao/|pers|Applied geometry, combinatorics.  Preprint of “The double Coxeter arrangements” available to download.|Univ of Wisconsin|none+none+none+none+applied geometry
TeX2HTML|http://www.tex2html.com/|com|Homepage of the most widely used software package for converting TeXed documents into standard html.  Offers a free trial version: purchase is by subscription.|tex2html|none+none+none+none+software+latex
Texas Essential Knowledge And Skills For Mathematics|http://www.tea.state.tx.us/rules/tac/ch111toc.html|k-12|Includes information on the math curriculum standards for K-12 students in the state of Texas|none|curriculum+none+none+none+none
Texas Instruments Calculators|http://www.ti.com/calc/docs/calchome.html|com|Calculator homepage of this major manufacturer of calculators.  Many resources for using the TI calculators in educational settings.|ti|none+none+none+none+calculators
The 100th Day Of School!|http://www.angelfire.com/ma/1stGrade/page100.html|k-12|Includes a list of books and activities for 100th day celebrations for grades K-2|none|lesson plans+pedagogy+none+none+none
The Math And Science Hub|http://www.bcohub.scsu.edu/|k-12|Is a resource center for K-12 math educators.|none|none+none+none+none+none
The Mathematics of Pi|http://www.arachnoid.com/lutusp/pi.html|com|A brief, informative essay on the nature of Pi.|none|number theory+none+none+none+none
Theory and Applications of Categories|http://www.tac.mta.ca/tac/|jour|Refereed online journal for category theory, published at Mount Allison University.|Mount Allison Univ.|none+none+none+none+category theory
Theory of Probability and its Applications|http://www.siam.org/journals/tvp/tvp.htm|jour|Subscription journal.|SIAM|none+none+none+none+probability
TK Solver|http://www.uts.com/|com|Publishes TK Solver - equation solving, math modeling and numerical analysis software. TK (tool kit) is a rule based, declarative programming language.|uts|none+none+none+none+commercial software
Tom Scavo's Tangrams|http://forum.swarthmore.edu/trscavo/tangrams.html|edu|A lesson plan for geometry involving tangrams, "introduces or reinforces geometrical concepts such as congruency, similarity, symmetry, and so forth."|none|instructional aids+geometry+none+none+none
Toons|http://www.hoxie.org/jo/cartoon.htm|k-12|A collection of cartoons culled from various sources.|none|humor+none+none+none+none
Topics In High School Mathematics|http://www.geocities.com/martinpcohen/|k-12|Has infornation about how to teach high school mathematics.|none|pedagogy+none+none+none+none
Topological Zoo, The|http://www.geom.umn.edu/zoo/|edu|From the Geometry Center; a visual dictionary of surfaces and other mathematical objects, consisting primarily of movies, still images, and interactive pictures.|UMN|none+none+none+none+geometry+topology+visual math
Topology Atlas|http://www.unipissing.ca/topology/|edu|! ! ! ! Extensive site from Canada devoted to Topology, with courseware, abstracts, professional and institutional support, and more.  New, but looks extremely promising.|Nipissing University|none+none+none+none+topology+courseware: college
Transactions of the American Mathematical Society|http://www.ams.org/tran/|jour|Electronic journal features papers in all fields.|AMS|none+none+none+none+none
Triangle Centers|http://www.evansville.edu/~ck6/tcenters/|edu|A fascinating and informative look at centroids, incenters, circumcenters, orthocenters, and other unexpected “centers” of triangles.||none+none+none+none+geometry
Trigonometry Explorer Online|http://www.cogtech.com/EXPLORER/|com|Company provides an instructional CD ROM on Trigonometry. Nice shockwave demos online.|cogtech|instruction+instructional aids+tutorials+none+none
TSBVI: Teaching Math To Visually Impaired Students|http://www.tsbvi.edu/math/|k-12|Contains resources and strategies for teaching visually impaired students.|none|abacus+pedagogy+none+none+none
TSP International|http://www.tspintl.com/|com|Makers of TSP 4.3, a complete econometric software package.|tspintl|none+none+none+none+commercial software+economics
Turing, Alan (The Alan Turing Home Page)|http://users.ox.ac.uk/~wadh0249/Turing.html|edu|One of the finest sites on the web.  Complete biography, an outline of Turing's important work and contributions to mathematics and computing, and a Turing Machine simulation in Java.|Oxford|none+none+none+none+computer science+biography
Tzavaras, Athanasios E.|http://kleene.math.wisc.edu/~tzavaras/|pers|Nonlinear partial differential equations, continuum and statistical physics.  Downloadable papers or abstracts include “Viscosity and relaxation approximations for hyperbolic systems of conservation laws.”|Univ of Wisconsin|none+none+none+none+dynamics
UC Berkeley Preliminary Exams|http://math.berkeley.edu/~desouza/pb.html|edu|A list of Berkeley's preliminary examination questions from 1977 - present.|UC Berkeley|none+none+none+none+puzzles
UK Nonlinear News|http://www.amsta.leeds.ac.uk/Applied/news.dir/index.html|jour|Journal of nonlinear mathematics edited at the University of Leeds, England.|Leeds, Univ. of|none+none+none+none+nonlinear dynamics
Unified Analysis|http://www.limit.com/|edu|Proposed redefinition the limit concept as used in standard analysis.  Several papers online.|limit.com|none+none+none+none+real analysis
UNISTAT Statistical Package|http://www.unistat.com/|com|Statistics Software for Windows.  Can be used as a stand alone package or as an Excel add-in.|unistat|none+none+none+none+commercial software+statistics
Unisys (Computers)|http://www.unisys.com/Services_Products/|com|Manufacturer of computer systems and support hardware.|unisys|none+none+none+none+computers
United States Department of Energy|http://www.doe.gov/|inst|The Department of Energy funds research in many applied fields.|US Govt.|none+none+none+none+none
Univ. of Adelaide Inst. for Geometry and its Applications.|http://www.maths.adelaide.edu.au/Pure/iga/index.html|inst|An research instituted by the Univ. of Adelaide in Australia.|Adelaide, Univ. of|none+none+none+none+geometry+finite geometry+differential ge
University of Toronto Mathematics Network|http://www.math.toronto.edu/mathnet/|edu|A network for southern Ontario high schools and math clubs. Many online resources.|Toronto, Univ. of|none+none+none+none+primary grades pedagogy+secondary grades
Unsolved Mathematics Problems|http://www.mathsoft.com/asolve/index.html|com|Page created by Steven Finch at MathSoft contains internal and external links to many interesting unsolved problems.|none|problems and puzzles+none+none+none+none
US News Grad School Rankings|http://www.usnews.com/usnews/edu/beyond/gradrank/gbmath.htm|com|US News' rankings of the top 48 grad schools in the U.S. for mathematics.|usnews|none+none+none+none+general reference
UtahLink|http://www.uen.org/cgi-bin/websql/lessons/query_lp.hts?corearea=2&area=1|k-12|Includes information about the math curriculum standards in Utah Public Schools.|none|curriculum+none+none+none+none
Vempala, Santosh S.|http://www-math.mit.edu/~vempala/|pers|Many papers available in combinatorics, randomization, and geometry, with special emphasis on finding algorithms and algorithmic tools and investigation graphs and other discrete structures.|MIT|none+none+none+none+combinatorics
Vilonen, Kari|http://www.math.brandeis.edu/Faculty/vilonen/|pers|Recent pubs available for download include “Characteristic cycles of constructible sheaves” and “Perverse Sheaves on Loop Grassmannians and Langlands Duality.”|Brandeis|none+none+none+none+Lie groups
Virtual Polyhedra|http://www.li.net/~george/virtual-polyhedra/vp.html|edu|A collection of 1000 virtual reality polyhedra.  Hundreds never before seen in any publication. An easy to explore tutorial, reference work, and object library.|li|none+none+none+none+visual math+geometry
ViSta|http://forrest.psych.unc.edu/research/ViSta.html|edu|“Visual Statistics System.”  Software for statistics developed at UNC.|Univ of North Carolina|none+none+none+none+statistics+software
Visual Dictionary of Special Plane Curves|http://www.best.com/~xah/SpecialPlaneCurves_dir/specialPlaneCurves.html|edu|An extensive visual and mathematical dictionary of planar curves, with graphs generated by Mathematica.  Highly informative site.|Best|none+none+none+none+analysis+algebraic geometry+visual math
Visual math for Java 1.03|http://acsusun.acsu.unsw.edu.au/~s9300078/VisualMath.html|edu|Java applet to serve as a graphic calculator, equation solver, plotter of user-defined functions, derivatives, and integrals.|UNSW|none+none+none+none+software+java
Visual Numerics|http://www.vni.com/|com|Provider of numerics, graphics, data analysis, and charting software.  Many resources on the site.|vni|none+none+none+none+commercial software
W.H. Freeman and Company|http://www.whfreeman.com/|com|Major publisher of popular and textbook math titles.|whfreeman|none+none+none+none+publishers
W3C Math Home Page|http://www.w3.org/Math/|edu|The Math home page of the World Wide Web Consortium, with important information on the implementation of MathML for the web.|none|web development+math editor+none+none+none
Waterloo Finance|http://watarts.uwaterloo.ca:80/ACCT/finance/finance.htmld/|edu|Research center in financial mathematics at the University of Waterloo, Canada.|Waterloo, Univ. of|none+none+none+none+finance+accounting
Wilson Strothers Geometry Pages|http://www.maths.gla.ac.uk/~wilson/cabripages/cabri0.html|edu|Very nicely done instructional pages in geometry, including projective and hyperbolic geometry, written for an undergraduate or advanced high school age audience.  Highly recommended.|none|geometry+non-Euclidean geometry+instruction+none+none
Wisconsin Academic Standards For Mathematics|http://www.dpi.state.wi.us/standards/matintro.html|k-12|Includes information on the math curriculum standards for K-12 students in Wisconsin schools.|none|curriculum+none+none+none+none
Witelski, Thomas P.|http://www-math.mit.edu/~witelski/|pers|Many papers in applied differential equations are available, with emphasis on lubrication theory, industrial problems, porous media and viscosity, etc.|MIT|none+none+none+none+differential equations
Woodrow Wilson National Fellowship Foundation|http://www.woodrow.org/|inst|Foundation offering support, especially scholarships, at all levels of education.  Also offers a 'leadership program' for teachers, with special programs in mathematics.|W. Wilson Foundation|none+none+none+none+pedagogy
Word Problems for Kids|http://juliet.stfx.ca/people/fac/pwang/mathpage/math1.html|k-12|A collection of word problems for grades 5-12.|St. Xavier Univ|none+none+none+none+primary grades pedagogy+secondary grades
Word Problems For Kids|http://www.stfx.ca/special/mathproblems/welcome.html|k-12|Has word problems for kids grades 5-12|none|none+none+none+none+none
World of Escher|http://www.worldofescher.com/|com|Site offers a gallery of images, a gift shop with Escher paraphernalia, and biographical and other data, including essays on Escher's artwork.  Well worth the visit.|World of Escher|visual math+art+none+none+none
Worth Publishers|http://www.worthpublishers.com/|com|Publishes college textbooks in mathematics and many other subjects.|worthpublishers|none+none+none+none+publishers
www.mersenne.org|http://www.mersenne.org/|inst|A page of resources created to support the “Great Internet Mersenne Prime Search.” Nice way to participate in pushing forward mathematical discovery.  Includes links to similar sites.|mersenne|none+none+none+none+primes+number theory
Zelevinsky, Andrei|http://www.math.neu.edu/~zelevinsky/mathindex.html|pers|Author of “Representations of Finite Classical Groups, A Hopf Algebra Approach,” and “Discriminants, Resltants and Multidimensional Determinants.”  Many papers available.|Northeastern|none+none+none+none+representation theory+algebraic geometry
Zentralblatt Math Database 1931-1999|http://www.emis.de/ZMATH/|com|A searchable database of reviews, abstracts, and publications from the European Math Society. Also available in Italian.|European Mathematical Information S|general reference+reviews+none+none+none
Zeroing in on Identity|http://ian.goddard.net/identity.htm|edu|A brief, fascinating philosophical essay on the nature of identity, using the real number line as the model for discussion.|Ian Goddard|none+none+none+none+philosophy