On Wed, Jan 11, 2012 at 11:30 AM, Philipp A. <flying-sheep@web.de> wrote:

> don’t forget http://webdemo.visionobjects.com/equation.html
>
> it is an online handwriting-to-mathml/tex-converter!
>
>
also
https://www.desmos.com/calculator/

-- 
luigi