24:50

5 Levels Of “No Answer" (when should we use what?)

33:16

exact value of sin(3 degrees)

5:03

The Secret Behind -1 Factorial

18:01

Introduction to the Gamma function & the Pi function (extending the factorial!)

12:59

7 factorials you probably didn't know

15:23

Let's calculate i factorial

8:24

|i Factorial| You Won't Believe The Outcome

22:27

a spectacular solution to the Basel problem (sum of 1/n^2 via a complex integral)