when your calculus test has only one problem
6:27
how calculus teacher answers friend’s question
14:11
Stanford math tournament algebra tiebreaker
18:13
my all-in-one calculus question (uncut)
16:58
A Brilliant Limit
8:38
my calculus exam #1 (100% gets an In-N-Out gift card)
8:51
The last question on my calc 2 final
20:37
Integrate x^-x dx
14:45