7:09

Surprisingly Long Math Problem

17:22

A Proof That The Square Root of Two Is Irrational

15:06

Catriona Agg 5 Circles 1 Square

4:20

Nice Math

13:55

Imaginary numbers aren't imaginary

13:33

Ancient trick to calculate ANY square root

5:42

2 Squares 1 Semicircle

9:02

sqrt(i)