Copyright 2011 Khan Academy
The exercise framework is MIT licensed.
The exercises are under a Creative Commons by-nc-sa license.
Khan Academy has created a generic framework for building exercises. This framework, together with the exercises themselves, can be used completely independently of the Khan Academy application.
The framework exists in two components:
- An HTML markup for specifying exercises.
- A jQuery plugin for generating a usable, interactive, exercise from the HTML markup.
The process for writing exercises is rather well documented. More information about this process can be found in the Khan Exercises wiki. Specifically: