Un site dédié aux "carrés multimagiques." There is also an english version. Multimagic squares are magic squares which remain magic after their numbers are raised to various powers (squared, cubed, ...).
|Byrne's edition of Euclid|
This site includes digital images of an 1847 edition of Euclid (edited in 1847 by Oliver Byrne) that covers the first 6 books. Byrne's edition attempts to present Euclid's proofs in terms of pictures, using as little text as possible, but lots of colour!
Designed to "illuminate" the NCTM Standards, this site has a wonderful collection of math-lets for aimed at the grades 4-12 level, but fun for all!
|The Evariste Galois Archive|
This site contains a biography of Galois in five different languages, a mailing list, and an introduction to Galois Theory.
|Escher and the Droste effect|
This site presents a complete mathematical analysis of Maurits Escher's "The Print Shop," and also includes an image of the original print.
|The Mathematics and Origins of String Figures|
Martin Probert's site provides a discussion of the mathematics behind string figures like the cat's cradle, a history of their development and some instructions for making your own.
This site features a collection of calculators, tables and articles about number theory. It also includes an applet that is able to factor big numbers and a quadratic diophantine equation solver, among other things.
|Computing Minimal Equal Sums Of Like Powers|
As the site says: "This project is dedicated to all those who are fascinated by powers and integers."
|Math posters in the London Underground|
The Isaac Newton Institute for Mathematical Sciences presents a series of mathematical posters that were displayed in the London Undergound for World Mathematical Year 2000.
A nice collection of mathematics articles categorised by field--check out the Number Theory and Geometry sections.