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Categories
Ambigrams (19)
Combinatorial Games (12)
Competitions (152)
Conway's Game of Life (26)
Famous Problems (25)
Flexagons (4)
For Kids (31)
Games and Puzzles (74)
Magic Square (41)
Polyominoes (92)
Specific Numbers (198)
Tessellations (46)
Related Categories:
    Arts > Crafts > Paper > Origami > Geometry and Modulars  (14)
    Games > Puzzles  (772)
    Recreation > Humor > Science > Mathematics  (24)
    Science > Math > Chaos and Fractals > Fractal Art  (130)
    Science > Math > Geometry > Sculpture and Art  (17)

Web Pages
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  Mathematical Quotation Server http://math.furman.edu/~mwoodard/mqs/mquot.shtml
A collection of mathematical quotations culled from many sources. You may conduct a keyword search through the quotation database.
  Mudd Math Fun Facts http://www.math.hmc.edu/funfacts/
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.
  SimonSingh.net http://www.simonsingh.net/
Home of Simon Singh: author, journalist and TV producer, specialising in science and mathematics. Cryptography is one of his specialties, and his site has a lot of educational and fun content about codes and codebreaking.
  Math in the Movies http://world.std.com/~reinhold/mathmovies.html
A guide to major motion pictures with scenes of real mathematics.
  Mathematical Fiction http://math.cofc.edu/faculty/kasman/MATHFICT/
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.
  Famous Curves Index http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html
Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.
  Mathematics Museum (Japan) http://mathmuse.sci.ibaraki.ac.jp/indexE.html
At Mathematics Museum (Japan) you would be surprised how interesting mathematics is. You will find exhibition rooms produced by Japanese researchers and educators.
  Recreational Mathematics (David Eppstein) http://www.ics.uci.edu/~eppstein/recmath.html
An extensive list of web resources for recreational math.
  CuriousMath http://www.curiousmath.com/
Include news, math tricks, methods, facts, trivia, mostly posted by users.
  http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html
A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.
  Math Forum: Algebra Problem of the Week http://mathforum.org/algpow/
View this week's algebra problem or those of previous weeks.
  Fun With Mathematics http://www.geocities.com/hjsmithh/
Includes pages on the topics of primes, fibonacci numbers, PI computation, data encryption and links to calculator programs.
  Who Can Name the Bigger Number? http://www.scottaaronson.com/writings/bignumbers.html
An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.
  The Sound of Mathematics http://www.geocities.com/Vienna/9349/
Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.
  Math Magic By Computer http://www.cut-the-knot.org/Curriculum/index.shtml#magic
Interactive java puzzles and activities in different mathematical topics.
  Sir Roger Penrose http://www.worldofescher.com/misc/penrose.html
An article about him and his interests and contributions to recreational mathematics.
  MAA Library List in Recreational Mathematics http://www.maa.org/BLL/recmath.htm
Book list split into categories. Includes title, author, publisher and date information about each book.
  Mathematrix http://home.adelphi.edu/~stemkoski/mathematrix/
Have fun with geometric shapes, fractals, math games, art, humor, quotes, and important constants.
  The Eugène Strens Recreational Mathematics Collection http://www.ucalgary.ca/lib-old/SpecColl/strens.htm
A special collection at the University of Calgary, including the archives of Martin Gardner. There is a searchable online index.
  Mathematical Problems - Problem Solving http://mathres.kevius.com/problem.html
Mathematics Hots (Problems) by Bruno Kevius
  MAT 007 I News http://www.math.toronto.edu/007/
A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.
  Roman Numerals http://www.novaroma.org/via_romana/numbers.html
Includes 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.archim.org.uk/eureka/ http://www.archim.org.uk/eureka/
The annual journal of the Archimedeans, the mathematical society of the University of Cambridge. It regularly contains articles on recreational mathematics.
  Maze Classification and Algorithms http://www.astrolog.org/labyrnth/algrithm.htm
A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.
  Mathematische Basteleien http://www.mathematische-basteleien.de/
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.
  Famous Curves http://www.geocities.com/famouscurves/
Visual animations of famous curves.
  Recreational Mathematics Topics http://www.uwgb.edu/dutchs/RECMATH/recmath.htm
By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.
  Fair Dice http://www.mathpuzzle.com/Fairdice.htm
Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.
  Mathematical Spectrum http://www.apt.group.shef.ac.uk/ms.html
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.
  Fibonacci numbers and the Pascal triangle http://milan.milanovic.org/math/
The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian.
  Mathematics in Art and Architecture http://www.math.nus.edu.sg/aslaksen/teaching/math-art-arch.shtml
An interdisciplinary course on mathematics in art and architecture.
  Rubik's Cube Lecture Notes http://www.usna.edu/Users/math/wdj/rubik_nts.htm
Notes on the mathematics of the Rubik's cube.
  Table of Numbers Problem http://www.alpertron.com.ar/CUADRO.HTM
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).
  On the Puzzles with Polyhedra and Numbers http://gfm.cii.fc.ul.pt/people/jrezende/jr_poliedros-puzzles_en.pdf
This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM).
  Mathematical Induction http://www.math.cl/induction.html
A page of uncommon problems, most closely connected with number theory.
  Math Forum: 2002 Mathematics Game http://mathforum.org/~judyann/2002/
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.
  Math Forum: 2001 Mathematics Game http://mathforum.org/~judyann/2001/
A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.
  Mathematical Lego Sculptures http://www.andrewlipson.com/mathlego.htm
Designed and built by Andrew Lipson. Images and LDraw files.
  Origami Mathematics http://kahuna.merrimack.edu/~thull/OrigamiMath.html
Information on the mathematics of paper folding.
  http://www.mathpuzzle.com/iamond.htm http://www.mathpuzzle.com/iamond.htm
A page on polyiamond puzzles. Includes many pages on tessellation.
  Number Recreations by Shyam Sunder Gupta http://www.shyamsundergupta.com/
Features interesting facts about different numbers. Includes favorite related links.
  The Aesthetics of Symmetry http://home.earthlink.net/~jdc24/symmetry.htm
A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate
  Eric's Scientific Book List: Recreational Mathematics http://www.ericweisstein.com/encyclopedias/books/RecreationalMathematics.html
Book list from Eric Weisstein including titles, authors, publishers, prices, page count and some have links to Amazon.com.
  Mathematik http://www.mathematik.com/
Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.
  Recreational Mathematics http://camel.math.ca/Recreation/recreation.html
Links collected at CAMEL, the Canadian Mathematical Society website.
  How To Manually Find A Square Root http://math.arizona.edu/~kerl/doc/square-root.html
The way to do find a square root without a calculator.
  Cryptarithms Online http://www.geocities.com/Athens/Agora/2160/
70 brain-teasers; a Primer on Cryptarithmetic; books and links to alphametics on the Web.
  http://www.mathmos.net/ http://www.mathmos.net/
Includes puzzles, jokes, quotations, poetry, and FAQs.
  Amazing Spiro http://cgibin.erols.com/ziring/cgi-bin/spiro.pl/spiro.html
An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.
  Gardner Index http://www.ms.uky.edu/~lee/ma502/gardner5/gardner5.html
Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.
  The Nine Digits Page http://www.worldofnumbers.com/ninedig1.htm
Puzzles and problems connected with numbers using the digits 1-9.
  Look and Say Sequence Generator http://www.btinternet.com/~se16/js/looknsay.htm
Creates a special kind of summation formula created by John Conway.
  The Diamond 16 Puzzle http://finitegeometry.org/sc/16/puzzle/
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).
  David Singmaster: List of Available Material http://anduin.eldar.org/~problemi/singmast/material.html
Teaching and recreational items in this personal collection.
  Geometric Packing Problems http://www.york.cuny.edu/~malk/tidbits/tidbit-geometric-packing.html
By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"
  One Metaphor Fits All http://www.btinternet.com/~se16/mhi/
Explains Conway's audioactive decay that is generated by a particular kind of sequence. Includes illustrations and related resources.
  Stunning Friends with Math Magic http://www.cut-the-knot.org/arithmetic/rapid/magic.shtml
A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.
  Skytopia - Super Magnet http://www.skytopia.com/project/magnet/magnet.html
A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.
  A Mathematician's Aesthetics http://finitegeometry.org/sc/ph/aesthetics.html
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.
  Fast Arithmetic Tips http://www.cut-the-knot.org/arithmetic/rapid/
Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.
  Wade Edward Philpott http://www.gamepuzzles.com/wade.htm
Profile and description of his mathematical games and puzzles.
  A Disproof of Pythagoras' Theorem? http://www.geocities.com/ResearchTriangle/System/8956/problems/pyth.htm
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://www3.sympatico.ca/diharper/ http://www3.sympatico.ca/diharper/
Includes pages on magic squares and polyomino patterns and contains related java applets.
  Narcissistic Numbers http://www.geocities.com/~harveyh/narciss.htm
Those that are representable, in some way, by mathematically manipulating the digits of the numbers themselves.
  Jlpe's Number Recreations Page http://www.geocities.com/windmill96/numrecreations.html
Features original number recreations by the author, such as generalized perfect numbers, digital diversions, diophantine equations, didactic numbers, and number theory.
  Spirocharts http://www.nehuenmultimedia.com.ar/html/spirograph.html
A windows application that creates mathematically precise spirograph drawings; savable as images.
  Sportlab http://www.geocities.com/sportlab/
Combines high school and college math topics into sports applications.
  Back to Square One http://www.geocities.com/jaapsch/puzzles/square1.htm
Includes description, solutions and other resources on this cube-like puzzle.
  Final Answers http://home.att.net/~numericana/answer/
Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon.
  Properties of Dice http://hjem.get2net.dk/Klaudius/Dice.htm
Polyhedral dice and their properties.
  Critical Math http://www.gwywyr.com/articles/scimaths/
Articles and images on recreational math from fractals and magic squares to mathemorchids and Galois.
  Recreational Mathematics Forum http://forums.delphiforums.com/recmath/
A forum for posting messages about math recreations. Hosted at Delphi.

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