Couple of New Functions Not Documented.

[JayPro]

In my ongoing data transfers to GF 3.7>, I discovered that two functions, namely:
1. ceil() used in the A-var. of of a WaveShape, i.e. ceil(rnd(x))
and
2. pow() used in a deltafield (cannot remember details except it was used with sin(), i.e. pow(sin(x))
were undocumented.
Are there any other such functions that can be used/introduced so that GF versatility can be expanded?

PS: I realize that the two VectorC flows by Andy demonstrate the capabilities of the engine, albeit radically. For the record, I'm not seeking a wholesale update in the syntax in that vein. A simple request for info as offered above will suffice for me. Thank you in advance.