Number Theory | The Legendre Symbol and Euler's Criterion
5:02
Number Theory | Some properties of the Legendre symbol.
19:14
The strange cousin of the complex numbers -- the dual numbers.
12:19
Number Theory | Gauss' Lemma
4:53
What is a Quadratic Residue? - Definition and Example
29:59
Tesla’s 3-6-9 and Vortex Math: Is this really the key to the universe?
12:52
Apparently Short Division is a Thing
10:42
e (Euler's Number) - Numberphile
26:51