Mathematical Equations in Drupal

I'm the maintainer and creator of a filter module for Drupal where users can enter mathematical equations (using MimeTex.cgi created by John Forkosh) and create graphs which are built on the fly (using the JavaScript grapher created by Walter Zorn).

Some examples:

x^n+y^n=z^n

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

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