GeoGebra is a wonderful free, open source program that is very useful for doing geometry and graphical algebra, sort of like the graphing part of a graphing calculator on steroids.
- Start GeoGebra optimized for algebra:
- Start GeoGebra optimized for geometry:
- GeoGebra home page
- I'm starting to upload applets to my geogebratube page.
- Having trouble running Geogebra? Maybe you need to download and install Java.
- Pythagorean Theorem visualization
- Quadratic visualizations
- Trig visualization
- Point/slope form:
- Product rule