Mathmo is a mathematical exercise generator developed as a revision aid for A-level mathematics students. It is a mobl-lang project. The web app generated by the project requires web access to run as it uses the services of the MathJAX Content Delivery Network. It is compatible with mobile and desktop devices running an HTML5 capable browser. It has been tested on iPhone3 and 4, iPad, and Android devices, Safari, Chrome and Firefox desktop browsers.