Need a tutor? I am now a private math tutor and computer science tutor! Please visit my Web site for more information.

--Jon Dreyer


GeoGebra "is a free and multi-platform dynamic mathematics software for schools that joins geometry, algebra and calculus."

The simplest way to get started is just to press one of these:

If you use it a lot you may want to download and install it.

If GeoGebra doesn't work, make sure you have Java 1.4.2 (or later) installed and active in your browser.

Check out some of my GeoGebra toys.

Jon Dreyer