[Edu-sig] Calculus with Stickworks (more Gnu Math)

[kirby urner]

> Here's a link to the picture (in reality, you can zoom in and rotate,
> look from all points of view -- part of our "beyond flatland"
> campaign, designed to remind people why we don't prefer the
> flatlanders' calculators to our flatscreen computers).
>
> http://www.4dsolutions.net/ocn/python/pycalculus.png
>

RE: http://www.4dsolutions.net/ocn/graphics/pycalculus.png   <-- different

Colleague notified me the above URL was 404.  Fixed.

Plus added 2nd derivative (cyan), to source code and picture as well.

Time for a blog post?

Related chatter with math teachers:
http://mathforum.org/kb/thread.jspa?threadID=1459250&tstart=0

Kirby