Isac and Dem
Was a thrice-weekly webcomic about two robots.
⚙ This webcomic ran from 2010 to 2012. It is archived here in full — comics, hover-text and all.

Headache

#171 · Tuesday, May 15, 2012 · mood: burn.png
Headache
hover text
Ahhh, discrete math, you sly dog. (credit to Mike Rinehart for the punch line)
APPLY DIRECTLY TO THE FOREHEAD.  APPLY DIRECTLY... oh, sorry, wrong thing.