Presidents-Mania is an educational game covering 41 Presidents. It has eight levels and lets you choose what time period you wish to cover. Its great pictures and ease of use make it not only educational, but also fun.

Quiz-Buddy is a program that makes it easy to memorize words, facts, dates, birthdays, etc. Automatically adjusts to your way of learning to make it more efficient. The user can create unlimited number of Question-Answer lists. Great for SAT, PSA...

ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation and boundary or initial value conditions and it solves your problem. Plots solution y and derivative ydot versus x. A Fortran Calculus demo application.