Anything like "One-Minute Marvels" for the 41C?

[Dave Britten]

In case you're not familiar with it, One-Minute Marvels was a compilation of short, useful routines for the 48 series. They were generally EXTREMELY compact and elegant, the sort of things you could leave in RAM as part of your toolbox.

Are there any similar compilations for the 41? Math routines (GCD, LCM, nCr, nPr, etc.), utilities, stack/register tricks, or anything else would be interesting, both to add functionality, and pick up on some programming techniques.

For example, I've gotten GCD down to this, but I'll bet it can be done more elegantly: (preserves stack and fills T properly, but not L)

Code:

LBL "GCD"
LBL 00
MOD
LASTX
X<>Y
X!=0?
GTO 00
CLX
+
RTN