9bc8b4c2-5d89-426d-bd21-5695ceea1944 2 4 5 false false 0 decimal

&[DATE] &[TIME] - &[FILENAME]

I also tried to maxima(load) my funciton but perhaps didn't get the syntax correct I could also try to the dcurrent directory but that may only be for Mathcad sources.

grad() MaximaTakeover All functions handled by SMath

defining my multi-variable function

x y z f x y * z exp * : Maxima

attempting to call my custom Maxima function

f x y z grad # : Maxima