waveform generator : Math Equations

[rgetz]

Inspired by #821,

I started poking around, and ran into this:

https://github.com/JohnDTill/YAWYSIWYGEE

Allowing the use of symbols (

might make some equations easier to debug, and understand.

I don't think we would want everything - (no need to handle matrix, or operators we don't support), but you get the idea of how nice something could look...