Display Ascii equations as formula Mathjax / add into existing html5 calculator

Avg Bid (USD)
Project Budget (USD)
$50 - $150

Project Description:
I do use this HTML5 based calculator: http://mobile.buttercupmedia.de/calculator/app/index.html

I need this to be extended so that the calculation the user has added is displayed as a graphics using preferably MathJax (preferably in real-time)

The resulting graphics should be stored on the server as a PNG for download thru a html link.

Skills required:
HTML5, Javascript, Mathematics, PHP
Hire jeklen
Project posted by:
jeklen Germany
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