13:51

so you want a VERY HARD math question?!

14:59

Understand Riemann Sum Vs Definite Integral! (Calculus 1)

13:09

a heroic use of the complex numbers

13:33

How To Calculate Any Square Root

4:50

Factoring a Degree 4 Polynomial

5:12

0 mph to 60 mph in 2 seconds, what's the acceleration? (the answer is NOT 30)

13:55

Imaginary numbers aren't imaginary

6:29

A proof for sin(a+b) and cos(a+b) that you probably haven’t seen before