11:19

The Golden Ratio

30:42

Pi hiding in prime regularities

36:32

The PROOF: e and pi are transcendental

55:24

Factorials, prime numbers, and the Riemann Hypothesis

22:43

Algebraic Number Theory, Lesson 1: Introduction

27:29

Geometry to algebra to calculus in 20 minutes.

18:40

The Discovery That Transformed Pi

33:14

Can we calculate 100 digits of π by hand? The William Shanks method.