math professor explains viral square root problem

19:14
The strange cousin of the complex numbers -- the dual numbers.

26:37
the complex derivative is strange...

13:33
Ancient trick to calculate ANY square root

12:36
The Most Beautiful Equation

5:02
Square Root in 3 seconds - Crazy Math Trick

32:26
This Toy Carved The Nicest Table I've Ever Made.

18:08
Ce FOU FURIEUX joue la SCANDINAVE contre MVL !!!!!!!

18:26