Yes. I didn't mention that short video as it seems to be just a teaser for that fee-based PTC "university" and because I personally don't think that video tutorials at this level are much helpful but maybe its exactly what is needed. In fact we don't even know the version used by Ramann.
Here is something of the same level:
http://www.leapaust.com.au/mathcad-programming-tutorial
And here is another a bit more comprehensive tutorial for Prime
http://www.ptc.com/WCMS/files/135683/en/T2_Programming_Tutorial.pdf
And here is again something for good old "real" Mathcad