18:13

my all-in-one calculus question (uncut)

32:04

easy derivative but it took me 32 minutes

13:55

Imaginary numbers aren't imaginary

17:26

Researchers thought this was a bug (Borwein integrals)

11:54

My all-in-one calculus problem

38:32

Why is calculus so ... EASY ?

8:02

Calculus Teacher vs. Power Rule Student

11:59

Why is the derivative of e^x equal to e^x?