What is GeoGebra?

GeoGebra is a 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.

If you want to create a GeoGebra activity, you have to click on Add an activity or resource, then select GeoGebra. 

(last update: 06.08.2018)