# Recreations

- 1
- Famous Curves Index
- Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi.

- 2
- 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.

- 3
- Amazing Spiro
- An applet for making spirograph graphs. Includes options for size, color and shape. Allows saving of completed image.

- 5
- 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.

- 7
- Fair Dice
- Includes a complete list of all possible Fair Dice, most of which are not cubes. Includes pictures.

- 9
- Final Answers
- Numerous facts including formulas, magic tricks, fallacies and recreations compiled by Dr. Gerard P. Michon.

- 10
- Gardner Index
- Rough index to the fifteen books containing Martin Gardner's Mathematical Games articles from Scientific American.

- 11
- 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?"

- 12
- HAKMEM
- A collection of problems from MIT. Work reported herein was conducted at the Artificial Intelligence Laboratory, a Massachusetts Institute of Technology research program.

- 13
- How to Manually Find a Square Root
- Provides a method of finding a square root without the use of a calculator.

- 15
- MAT 007 I News
- A newsletter edited by undergraduates of the Department of Mathematics at the University of Toronto. Includes some online copies.

- 16
- Math Forum: 2001 Mathematics Game
- A contest that asks to write all integers from 1 to 100 using only the digits 2,0,0,1 and arithmetic operations.