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http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html
Famous Curves Index Open in a new browser windowEditor's Pick
   Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
   http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html

Web Sites In this Category:

Recreational Mathematics (David Eppstein) Open in a new browser window  
   An extensive list of web resources for recreational math.
   http://www.ics.uci.edu/~eppstein/recmath.html
Mathematics for Fun Open in a new browser window  
   Interactive math pages including java Kali and a page on the world's largest prime.
   http://www.thinks.com/math/index.htm
A Disproof of Pythagoras' Theorem? Open in a new browser window  
   A method of disproving the Theorem of Pythagoras is presented. The author is adamant that this is intended only as a puzzle to find the mistake in the arguments, and not as a serious proposal.
   http://www.geocities.com/ResearchTriangle/System/8956/problems/pyth.htm
Mathematics Museum (Japan) Open in a new browser window  
   At Mathematics Museum (Japan) you would be surprised how interesting mathematics is. You will find exhibition rooms produced by Japanese researchers and educators.
   http://mathmuse.sci.ibaraki.ac.jp/indexE.html
Mathematrix Open in a new browser window  
   Devoted to exploring the more entertaining (and generally lesser known) areas of mathematics. Can be enjoyed by anyone, from individuals with little or no math background to professors of the subject.
   http://www.geocities.com/CapeCanaveral/Hangar/7773/index.html
Eureka Open in a new browser window  
   The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
   http://www.cam.ac.uk/CambUniv/Societies/archim/eureka/
Table of Numbers Problem Open in a new browser window  
   Given a m * n rectangle, place all numbers from 1 to mn that minimizes the sum of the products of rows and columns (both in Spanish and English).
   http://www.alpertron.com.ar/CUADRO.HTM
The Sound of Mathematics Open in a new browser window  
   Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
   http://www.geocities.com/Vienna/9349/
Mathematical Spectrum Open in a new browser window  
   Mathematical Spectrum is a magazine for students and teachers of mathematics in universities, colleges and schools worldwide. It may be read by anybody interested in mathematics as a recreation.
   http://www.shef.ac.uk/uni/companies/apt/ms.html
Iamond Open in a new browser window  
   A page on polyiamond puzzles. Includes many pages on tessellation.
   http://www.mathpuzzle.com/iamond.htm
Roman Numerals Open in a new browser window  
   Contains a introduction to Roman numerals including a translation of the digits used and a converter which can convert decimal to Roman numerals and vice versa.
   http://www.novaroma.org/via_romana/numbers.html
Recreational Mathematics Forum Open in a new browser window  
   A forum for posting messages about math recreations. Hosted at Delphi.
   http://forums.delphiforums.com/recmath/start/
The Aesthetics of Symmetry Open in a new browser window  
   A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate
   http://home.earthlink.net/~jdc24/symmetry.htm
Mathematical Fiction Open in a new browser window  
   A list of mathematical fictional movies, books, stories, plays and shows. Split into categories including children's books. Can be sorted by mathematical content and literary quality.
   http://math.cofc.edu/faculty/kasman/MATHFICT/Default.html
MAA Library List in Recreational Mathematics Open in a new browser window  
   Book list split into categories. Includes title, author, publisher and date information about each book.
   http://www.maa.org/BLL/recmath.htm
Gathering for Gardner Open in a new browser window  
   Contains math, puzzle, geometry, illusions, mazes, links, articles and problems.
   http://www.g4g4.com/
Math Cats Open in a new browser window  
   A magic chalkboard takes you to a math art gallery and lots of interactive math activities, including: magic squares, conversions, seasonal surveys, symmetry, tessellations, geometric designs, games.
   http://www.mathcats.com/
Math in the Movies Open in a new browser window  
   A guide to major motion pictures with scenes of real mathematics.
   http://world.std.com/~reinhold/mathmovies.html
Wade Edward Philpott Open in a new browser window  
   Profile and description of his mathematical games and puzzles.
   http://www.gamepuzzles.com/wade.htm
Wade Edward Philpott Collection Open in a new browser window  
   A special collection at the University of Calgary Library.
   http://www.ucalgary.ca/library/SpecColl/philpott.htm
Sir Roger Penrose Open in a new browser window  
   A article about him and his interests and contributions to recreational mathematics.
   http://www.worldofescher.com/misc/penrose.html
Who Can Name the Bigger Number? Open in a new browser window  
   An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
   http://www.cs.berkeley.edu/~aaronson/bignumbers.html
On the Puzzles with Polyhedra and Numbers Open in a new browser window  
   This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM).
   http://gfm.cii.fc.ul.pt/Members/jr_poliedros-puzzles_en.pdf
Mudd Math Fun Facts Open in a new browser window  
   An archive of interesting math facts for use in the classroom or just for fun. Browse by subject, difficulty, keywords, or try the "random" feature. Based at Harvey Mudd College.
   http://www.math.hmc.edu/funfacts/
Fair Dice Open in a new browser window  
   Contains a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
   http://www.mathpuzzle.com/Fairdice.htm
Geometric Packing Problems Open in a new browser window  
   By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
   http://www.york.cuny.edu/~malk/tidbits/tidbit-geometric-packing.html
The Nine Digits Page Open in a new browser window  
   Puzzles and problems connected with numbers using the digits 1-9.
   http://www.ping.be/~ping6758/ninedigits.htm
Mathematik Open in a new browser window  
   Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
   http://www.mathematik.com/
Mathematical Diversions Open in a new browser window  
   Mostly original diversions in mathematics and word play.
   http://members.aol.com/s6sj7gt/mikehome.htm
Recreational Mathematics Open in a new browser window  
   Links collected at CAMEL, the Canadian Mathematical Society website.
   http://camel.math.ca/Recreation/recreation.html
MAT 007 I News Open in a new browser window  
   A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
   http://www.math.toronto.edu/007/
Recreational and Educational Computing Open in a new browser window  
   A newsletter with programs, including optional supplemental PC disk. All back issues are available. Topics include puzzles and teasers, BASIC programming, letters, graphics, fractals, challenges, recreation, reviews, word-play, humor, tips, solutions,
   http://members.aol.com/DrMWEcker/REC.html
Treasure Troves : Book List Open in a new browser window  
   Book list including titles, authors, publishers, prices, page count and some have links to Amazon.com.
   http://www.treasure-troves.com/books/RecreationalMathematics.html
Properties of Dice Open in a new browser window  
   Polyhedral dice and their properties.
   http://hjem.get2net.dk/Klaudius/Dice.htm
Recmath Open in a new browser window  
   Includes pages on magic squares and polyomino patterns and contains related java applets.
   http://web.idirect.com/~recmath/
Cryptarithms Online Open in a new browser window  
   70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
   http://www.geocities.com/Athens/Agora/2160
Rubik's Cube Lecture Notes Open in a new browser window  
   Notes on the mathematics of the Rubik's cube.
   http://web.usna.navy.mil/~wdj/rubik_nts.htm
Critical Math Open in a new browser window  
   Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
   http://www.geocities.com/aladgyma/articles/scimaths/maths.htm
HAKMEM Open in a new browser window  
   A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
   http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html
David Singmaster: List of Available Material Open in a new browser window  
   Teaching and recreational items in this personal collection.
   http://anduin.eldar.org/~problemi/singmast/material.html
Origami Mathematics Open in a new browser window  
   Information on the mathematics of paper folding.
   http://web.merrimack.edu/~thull/OrigamiMath.html
Gardner Index Open in a new browser window  
   Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
   http://www.ms.uky.edu/~lee/ma502/gardner5/gardner5.html
Mathematical Poetry - A Small Anthology Open in a new browser window  
   A fascinating selection of poems by various poets based on the seemingly incongruous aesthetic and theme of mathematics.
   http://kate.stange.com/mathweb/mathpoet.html
Narcissistic Numbers Open in a new browser window  
   Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
   http://www.geocities.com/~harveyh/narciss.htm
The Eugène Strens Recreational Mathematics Collection Open in a new browser window  
   A special collection at the University of Calgary, including the archives of Martin Gardner. There is a searchable online index.
   http://www.ucalgary.ca/library/SpecColl/strens.htm
Recreational Mathematics Topics Open in a new browser window  
   By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
   http://www.uwgb.edu/dutchs/RECMATH/recmath.htm
Mathematical Quotation Server Open in a new browser window  
   A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
   http://math.furman.edu/~mwoodard/mquot.html
Mathematics in Art and Architecture Open in a new browser window  
   An interdisciplinary course on mathematics in art and architecture.
   http://www.math.nus.edu.sg/aslaksen/teaching/math-art-arch.shtml
Spirograph Open in a new browser window  
   A java applet for creating Spirograph images.
   http://dogbomb.com/spi/
A Mathematician's Aesthetics Open in a new browser window  
   In his classic A Mathematician's Apology, G. H. Hardy likened mathematics to poetry and painting. This site elaborates on Hardy's remark with quotations from Stevens, Klee, Fry, and Focillon. Links to related sites are given.
   http://m759.freeservers.com/PHaesthetics.html
Maze Classification and Algorithms Open in a new browser window  
   A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
   http://www.astrolog.org/labyrnth/algrithm.htm
Mathematical Lego Sculptures Open in a new browser window  
   Designed and built by Andrew Lipson. Images and LDraw files.
   http://www.lipsons.pwp.blueyonder.co.uk/mathlego.htm
Jlpe's Number Recreations Page Open in a new browser window  
   Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
   http://www.geocities.com/windmill96/numrecreations.html
The Diamond 16 Puzzle Open in a new browser window  
   New version of the classic puzzle using row/column/quadrant permutations to display symmetries of graphic designs. Has link to a site on the underlying mathematics (Diamond Theory).
   http://m759.freeservers.com/puzzle.html
Skytopia - Super Magnet Open in a new browser window  
   A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
   http://www.skytopia.com/project/magnet/magnet.html
Spirocharts Open in a new browser window  
   A windows application that creates mathematically precise spirograph drawings; savable as images.
   http://www.nehuenmultimedia.com.ar/html/spirograph.html
Sportlab Open in a new browser window  
   Combines high school and college math topics into sports applications.
   http://www.geocities.com/sportlab/
Number Recreations by Shyam Sunder Gupta Open in a new browser window  
   Features interesting facts about different numbers. Includes favorite related links.
   http://www.shyamsundergupta.com/
Look and Say Sequence Generator Open in a new browser window  
   Creates a special kind of summation formula created by John Conway.
   http://www.btinternet.com/~se16/js/looknsay.htm
One Metaphor Fits All Open in a new browser window  
   Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
   http://www.btinternet.com/~se16/mhi/
Back to Square One Open in a new browser window  
   Includes description, solutions and other resources on this cube-like puzzle.
   http://www.geocities.com/jaapsch/puzzles/square1.htm
Fibonacci numbers and the Pascal triangle Open in a new browser window  
   The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.
   http://milan.milanovic.org/math/
Fast Arithmetic Tips Open in a new browser window  
   Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.
   http://www.cut-the-knot.com/arithmetic/rapid/index.shtml
Mathematische Basteleien Open in a new browser window  
   Topics include Flexagon, Soma Cube, Pentominos, Cube-it, Rubik's Cube, Froebel's Star, Tangram, House of Santa Claus, Chronogram, Numeric Palindromes, Latticework of Letters. English/German.
   http://www.mathematische-basteleien.de/
Mathmos Open in a new browser window  
   Includes puzzles, jokes, quotations, poetry, and FAQs.
   http://www.mathmos.net/
CuriousMath Open in a new browser window  
   Include news, math tricks, methods, facts, trivia, mostly posted by users.
   http://www.curiousmath.com/
Famous Curves Open in a new browser window  
   Visual animations of famous curves.
   http://www.geocities.com/famouscurves/
Math Magic By Computer Open in a new browser window  
   Interactive java puzzles and activities in different mathematical topics.
   http://www.cut-the-knot.org/Curriculum/index.shtml#magic
Math Forum: 2001 Mathematics Game Open in a new browser window  
   A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
   http://mathforum.org/~judyann/2001/
Math Forum: 2002 Mathematics Game Open in a new browser window  
   A contest where the contestants have to write all integers from 1 to 100 using only the digits 2,0,0,2 and arithmetic operations.
   http://mathforum.org/~judyann/2002/
Club Infinity Open in a new browser window  
   York University's Undergraduate Math Club with informations on math competitions and a problem solving forum.
   http://www.math.yorku.ca/infinity/math/
Mathematical Problems - Problem Solving Open in a new browser window  
   Mathematics Hots (Problems) by Bruno Kevius
   http://mathres.kevius.com/problem.html
Math Forum: Algebra Problem of the Week Open in a new browser window  
   View this week's algebra problem or those of previous weeks.
   http://mathforum.org/algpow/
Stunning Friends with Math Magic Open in a new browser window  
   A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
   http://www.cut-the-knot.com/arithmetic/rapid/magic.shtml
Mathematical Induction Open in a new browser window  
   A page of uncommon problems, most closely connected with number theory.
   http://www.math.cl/induction.html