you can find a new plugin to include mathematics in Moodle.

WIRIS Plugin for Moodle

You will be able to integrate WIRIS tools:

- Equation editor (WIRIS Editor) WYSIWYG, MathML based
- Calculation tool (WIRIS CAS) on-line calculations for education

If you interested in a math chat please check ours at www.wiris.com/demo/moodlemoot/conference/ (install not integrated in Moodle).