Does your brain need a workout?
♫ Saturday, November 17th, 2007If you have some free time and are good with computers and math you might want to check out Project Euler. From their site:
Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. Although mathematics will help you arrive at elegant and efficient methods, the use of a computer and programming skills will be required to solve most problems.