Famous Curves Index

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

A Mathematician's Aesthetics

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://finitegeometry.org/sc/ph/aesthetics.html

Back to Square One

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

http://www.jaapsch.net/puzzles/square1.htm

Cryptarithms Online

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.

http://cryptarithms.awardspace.us/

David Singmaster: List of Available Material

Teaching and recreational items in this personal collection.

http://anduin.eldar.org/~problemi/singmast/material.html

Eric's Scientific Book List: Recreational Mathematics

Book list from Eric Weisstein including titles, authors, publishers, prices, page count and some have links to Amazon.com.

http://www.ericweisstein.com/encyclopedias/books/RecreationalMathematics.html

Famous Curves

Visual animations of famous curves.

http://famouscurves.awardspace.us/

Fast Arithmetic Tips

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

http://www.cut-the-knot.org/arithmetic/rapid/

Final Answers

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

http://www.numericana.com/answer/

Gardner Index

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

Geometric Packing Problems

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

HAKMEM

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

How to Manually Find a Square Root

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

http://www.johnkerl.org/doc/square-root.html

Iamond

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

http://www.mathpuzzle.com/iamond.htm

MAT 007 I News

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/

Math Magic By Computer

Interactive java puzzles and activities in different mathematical topics.

http://www.cut-the-knot.org/Curriculum/index.shtml#magic

Math in the Movies

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

http://world.std.com/~reinhold/mathmovies.html

Mathematical Lego Sculptures

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

http://www.andrewlipson.com/mathlego.htm

Mathematical Problems - Problem Solving

Mathematics Hots (Problems) by Bruno Kevius

http://mathres.kevius.com/problem.html

Mathematics in Art and Architecture

An interdisciplinary course on mathematics in art and architecture.

http://www.math.nus.edu.sg/aslaksen/teaching/math-art-arch.shtml

Mathematik

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

http://www.mathematik.com/

Mathematische Basteleien

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/

Mathematrix

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

http://home.adelphi.edu/~stemkoski/mathematrix/

Mathmos

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

http://www.mathmos.net/

Maze Classification and Algorithms

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

http://www.astrolog.org/labyrnth/algrithm.htm

Mudd Math Fun Facts

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/

Number Recreations by Shyam Sunder Gupta

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

http://www.shyamsundergupta.com/

Recmath

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

http://www3.sympatico.ca/diharper/

Recreational Mathematics (David Eppstein)

An extensive list of web resources for recreational math.

http://www.ics.uci.edu/~eppstein/recmath.html

Recreational Mathematics Forum

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

http://forums.delphiforums.com/recmath/

Recreational Mathematics Topics

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

Roman Numerals

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.novaroma.org/via_romana/numbers.html

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.

http://www.simonsingh.net/

Skytopia - Super Magnet

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

Stunning Friends with Math Magic

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

http://www.cut-the-knot.org/arithmetic/rapid/magic.shtml

Table of Numbers Problem

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 Aesthetics of Symmetry

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

http://home.earthlink.net/~jdc24/symmetry.htm

The Nine Digits Page

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

http://www.worldofnumbers.com/ninedig1.htm

The Sound of Mathematics

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

http://lambda-the-ultimate.org/classic/message11825.html

Wade Edward Philpott

Profile and description of his mathematical games and puzzles.

http://www.gamepuzzles.com/wade.htm