Visualization of algebra, trigonometry, and calculus problems.

Jon Wilkin, Northern Virginia Community College.  www.nvcc.edu/home/jwilkin 

These models require the user have The Geometer's Sketchpad, at least version 4, installed on their computer. The software is available from the publisher at www.keypress.com 

Most models use animation.

 You are welcome to use these in your classes, but please give appropriate credit. If you have questions or can suggest another model, email me at jwilkin@nvcc.edu