Recreations Websites

An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.

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).

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.

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.

Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.

An extensive list of web resources for recreational math.

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).

A page on polyiamond puzzles. Includes many pages on tessellation.

A brief digression into how people perceive symmetrical patterns -- what makes them boring, interesting, or overly intricate

A guide to major motion pictures with scenes of real mathematics.

Profile and description of his mathematical games and puzzles.

By Joseph Malkevitch: "Given one shape X how and when can one pack identical copies of this shape into another shape Y?"

Individual pages on different topics in Mathematics. Examples : group theory, dynamical systems theory, geometry or number theory.

A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.

A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.

Teaching and recreational items in this personal collection.

By Steven Dutch. Symmetry, Crystals, Polyhedra and Tilings; Pythagorean triplets and other things about sums of powers; Geometry Classics.

An interdisciplinary course on mathematics in art and architecture.

A short description of mazes and how to create them. Definition of different mazetypes and their algorithms.

A colourful world built entirely using mathematical atoms and molecules. Pictures and animations demonstrate structures colliding and interacting. Animated GIF demonstrations.

Features interesting facts about different numbers. Includes favorite related links.

Includes puzzles, jokes, quotations, poetry, and FAQs.

Include news, math tricks, methods, facts, trivia, mostly posted by users.

Interactive java puzzles and activities in different mathematical topics.

Mathematics Hots (Problems) by Bruno Kevius

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.

Designed and built by Andrew Lipson. Images and LDraw files.

Includes pages on magic squares and polyomino patterns and contains related java applets.

Puzzles and problems connected with numbers using the digits 1-9.

An essay by Scott Aaronson on the quest for ever-bigger numbers, from exponentials to Busy Beavers.

This is an article on a set of didactical games edited by the Portuguese Mathematical Society (SPM).

A collection of card tricks, number guessing games, paper and glue magic, and other math exercises.

Three categories: defensive - know to check an answer, offensive - fast mental calculations, and math magic.

A forum for posting messages about math recreations. Hosted at Delphi.

Have fun with geometric shapes, fractals, math games, art, humor, quotes, and important constants.

Includes description, solutions and other resources on this cube-like puzzle.

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.

Visual animations of famous curves.

Numerous facts including formulas, magic tricks, fallacies and recreations compiled by Dr. Gerard P. Michon.

Algorithmic music determined by mathematics and by the musical preferences of a human. General MIDI files.

Provides a method of finding a square root without the use of a calculator.