GeoGebra

Graphs and other lessons can be imported into Numbas and modified using variables.

Graphs can also be generated using the GeoGebra extension.

This page is under construction, and will soon contain examples of this as well as detailed instruction on how to set up question with GeoGebra.

In the meantime you can get started with GeoGebra and read the GeoGebra Documentation for Numbas.