a geometry problem inspired by Japanese Sangaku
31:10
the geometry of the third derivative
13:41
a famous geometry problem
20:39
a surprising exponential closure
11:18
does your Calculus teacher give you limits this hard?!?
31:08
Feynman's famous long division problem
9:51
Feynman Technique, The Key to ALL Integrals!
11:56
an exceedingly interesting differential equation
14:23