This site includes the following:

College Math Resources - a database of free web-based materials that support the learning of Mathematics. for College Students and Instructors. It provides for search by topic with a fairly fine grain of selection possible, and it is possible for users to add and review additional resources.

Modules - instructional notes on the topics of a typical "precalculus" course
Mathlabs - guided exploration activities related to some of the precalculus topics
Mathlets - toys, games and gizmos intended to motivate and reinforce understanding

GX2Graph Explorer Applet - a graphing utility for functions and equations involving two variables (or three in parametric form) GeXhome - more info on the above

contact info (and work-based blog)