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a symbolicmath expression evaluator for javascript
Nerdamer is a small and light-weight symbolicmath expression evaluator written in JavaScript. The parsing is done purely in JavaScript and uses no server-side program whatsoever. It can export to a pure javascript function, ideal for filtering user input. Nerdamer is modular so you only need to load the parts you need. Because of this and its small footprint, it can easily be embedded into your applications.
MATHOOL is an online and offline javascript application powered by REDUCE computer algebra system, JSXGraph and other open source javascript programs devoted to scientific calculations and graphic visualization.