a way to practice typing so that you could become a more efficient and capable keyboard jockey
Every time you try to beat the score, you improve your typing speed
TypingWeb is a free online typing tutor, keyboarding tutorial, and typing certification for typists of all skill levels.
Learn typing with free online typing lessons for Qwerty or Dvorak keyboard.
Flash-based typing test that requires no login
Enough math can make anyone nutty!
How to solve a basic 4×4 KenKen
New math game like Sudoku.
animated interactive math dictionary
NSDL is the Nation's online library for education and research in Science, Technology, Engineering, Mathematics.