Maths for Beginners Save
This course is very easy to follow. No previous knowledge required.
www.maths4all.co.uk (sponsored link)
 

GAMESMAN Save
Game-independent Automatic Move/position-tree Exhaustive-Search, Manipulation And Navigation. Tool for analyzing and playing small two-player games, built independent of the actual game being played.
http://www.cs.berkeley.edu/~ddgarcia/...   

Interactive Activities: Combinatorial Games Save
Java implementations of several impartial, partizan, and one-player games garnered from the books Winning Ways and On Numbers and Games.
http://www.cut-the-knot.com/Curriculu...   

Help build the largest human-edited directory of the web
Suggest a site | Open Directory Project | Become an editor