Freeware Programs:
Download ttest 1.0

ttest 1.0  Helps novices compute statistical t-tests This program was designed to enable total statistical novices to carry out and interpret either of two statistical tests for comparing the average scores across two groups or conditions.

Download RegGen 1.2

RegGen 1.2  RegGen was designed for use in teaching the statistical procedure known as 'Regression Analysis'. Specifically, it generates data sets for use as in-class examples or practice problems.

Download Crossfire 1.0

Crossfire 1.0  Control your own spaceship while trying to shoot enemy ships and avoid getting shot by them.