 Math in the Movies - http://world.std.com/~reinhold/mathmovies.html A guide to major motion pictures with scenes of real mathematics. |
 Mathematik - http://www.mathematik.com/ Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory. |
 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. |
 HAKMEM - 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. |
 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 Provides a method of finding a square root without the use of a calculator. |
 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. |
 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. |
 Iamond - http://www.mathpuzzle.com/iamond.htm A page on polyiamond puzzles. Includes many pages on tessellation. |
 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. |
 Recreational Mathematics Forum - http://forums.delphiforums.com/recmath/ A forum for posting messages about math recreations. Hosted at Delphi. |
 CuriousMath - http://www.curiousmath.com/ Include news, math tricks, methods, facts, trivia, mostly posted by users. |
 Origami Mathematics - http://kahuna.merrimack.edu/~thull/OrigamiMath.html Information on the mathematics of paper folding. |
 Recreational Mathematics (David Eppstein) - http://www.ics.uci.edu/~eppstein/recmath.html An extensive list of web resources for recreational math. |
 Final Answers - http://home.att.net/~numericana/answer/ Numerous facts including formulas, magic tricks, fallacies, recreations compiled by Dr. Gerald P. Michon. |
 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. |
 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. |
 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 |
 Wade Edward Philpott - http://www.gamepuzzles.com/wade.htm Profile and description of his mathematical games and puzzles. |
 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. |
 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. |
 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?" |
 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. |
 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. |
 The Nine Digits Page - http://www.worldofnumbers.com/ninedig1.htm Puzzles and problems connected with numbers using the digits 1-9. |
 Sir Roger Penrose - http://www.worldofescher.com/misc/penrose.html An article about him and his interests and contributions to recreational mathematics. |
 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. |
 David Singmaster: List of Available Material - http://anduin.eldar.org/~problemi/singmast/material.html Teaching and recreational items in this personal collection. |
 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 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. |
 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: Algebra Problem of the Week - http://mathforum.org/algpow/ View this week's algebra problem or those of previous weeks. |
 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. |
 Number Recreations by Shyam Sunder Gupta - http://www.shyamsundergupta.com/ Features interesting facts about different numbers. Includes favorite related links. |
 Fibonacci Numbers and the Pascal Triangle - http://milan.milanovic.org/math/ The relation between Fibonacci numbers and Pascal's triangle. English/German/Serbian. |
 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. |
 Mathematrix - http://home.adelphi.edu/~stemkoski/mathematrix/ Have fun with geometric shapes, fractals, math games, art, humor, quotes, and important constants. |
 Rubik's Cube Lecture Notes - http://www.usna.edu/Users/math/wdj/rubik_nts.htm Notes on the mathematics of the Rubik's cube. |
 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. |
 Look and Say Sequence Generator - http://www.btinternet.com/~se16/js/looknsay.htm Creates a special kind of summation formula created by John Conway. |
 Mathematical Problems - Problem Solving - http://mathres.kevius.com/problem.html Mathematics Hots (Problems) by Bruno Kevius |
 Mathmos - http://www.mathmos.net/ Includes puzzles, jokes, quotations, poetry, and FAQs. |
 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. |
 Recmath - http://www3.sympatico.ca/diharper/ Includes pages on magic squares and polyomino patterns and contains related java applets. |
 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. |
 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. |
 Math Magic By Computer - http://www.cut-the-knot.org/Curriculum/index.shtml#magic Interactive java puzzles and activities in different mathematical topics. |
 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). |
 Spirocharts - http://www.nehuenmultimedia.com.ar/html/spirograph.html A windows application that creates mathematically precise spirograph drawings; savable as images. |
 Mathematical Induction - http://www.math.cl/induction.html A page of uncommon problems, most closely connected with number theory. |
 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. |
 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. |
 Famous Curves - http://famouscurves.awardspace.us/ Visual animations of famous curves. |
 Cryptarithms Online - http://cryptarithms.awardspace.us/ A large collection of cryptarithms and alphametics, including cryptarithms from the journal Sphinx, a Primer on Cryptarithmetic, books, and links to other collections of alphametics on the Web. |
 Which Numbers Produce Carousel Numbers? - http://carouselnumbers.webs.com High school research project. |
 Back to Square One - http://www.jaapsch.net/puzzles/square1.htm Includes description, solutions and other resources on this cube-like puzzle. |
 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). |
 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. |
 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. |
 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. |
 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. |
 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. |
 Mathematical Lego Sculptures - http://www.andrewlipson.com/mathlego.htm Designed and built by Andrew Lipson. Images and LDraw files. |
 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. |