GeoGebra is a Java-based interactive mathematics application. Its primary uses are in geometry, algebra, and calculus. It is available as a free download.
Website:
- GeoGebra Website: https://www.geogebra.org/
For help with GeoGebra:
- Tutorial: https://mathandmultimedia.com/geogebra/
Collections of GeoGebra applets and demos:
- GeoGebra Tube: https://www.geogebratube.org/
- More Applets: https://www.slu.edu/classes/maymk/GeoGebra/
- GeoGebra Demos: https://media.lanecc.edu/users/gettyst/GeoGebraDemonstrations.html