Texas Instruments Calculator Free Downloads
A source of CBL programs for TI calculators. Visit the program archive.

Galileo and the Mathematics of Motion
A description of Galileo's original experiments.

Galileo's Notes on Motion
Galileo's original notes on his motion experiments are available for viewing on the internet.

Do Rocks Fall Faster than Feathers?
A brief discussion of the effect of air resistance on falling bodies.

Projectile Motion
A java applet that demonstrates the motion of a projectile with or without air resistance.