# Recreations

- 1
- Famous Curves Index
- Page 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.

- 2
- A Mathematician's Aesthetics
- Page 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.

- 3
- Amazing Spiro
- Page 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.

- 4
- Back to Square One
- Page http://www.jaapsch.net/puzzles/square1.htm
- Includes description, solutions and other resources on this cube-like puzzle.

- 5
- Cryptarithms Online
- Page 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.

- 6
- CuriousMath
- Page http://www.curiousmath.com/
- Include news, math tricks, methods, facts, trivia, mostly posted by users.

- 7
- David Singmaster: List of Available Material
- Page http://anduin.eldar.org/~problemi/singmast/material.html
- Teaching and recreational items in this personal collection.

- 8
- Fair Dice
- Page http://www.mathpuzzle.com/Fairdice.htm
- Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.

- 10
- Final Answers
- Page http://www.numericana.com/answer/
- Numerous facts including formulas, magic tricks, fallacies and recreations compiled by Dr. Gerard P. Michon.

- 11
- Gardner Index
- Page 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.

- 12
- Geometric Packing Problems
- Page 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?"

- 13
- HAKMEM
- Page 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.

- 14
- How to Manually Find a Square Root
- Page http://www.johnkerl.org/doc/square-root.html
- Provides a method of finding a square root without the use of a calculator.

- 15
- Iamond
- Page http://www.mathpuzzle.com/iamond.htm
- A page on polyiamond puzzles. Includes many pages on tessellation.

- 16
- MAT 007 I News
- Page 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.

- 17
- Math Forum: 2001 Mathematics Game
- Page 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.

- 18
- Math Forum: 2002 Mathematics Game
- Page 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.