This package provides GeoGebra.

GeoGebra is free and multi-platform dynamic mathematics software for all
levels of education that joins geometry, algebra, tables, graphing,
statistics and calculus in one easy-to-use package. It has received
several educational software awards in Europe and the USA.

Quick Facts:

- Graphics, algebra and tables are connected and fully dynamic
- Easy-to-use interface, yet many powerful features
- Authoring tool to create interactive learning materials as web pages
- Available in many languages for our millions of users around the world
- Free and open source software