What is the factorial of -½?

20:08
Complex Fibonacci Numbers?

23:29
Why does Vegas have its own value of pi?

26:31
How to Take the Factorial of Any Number

15:50
Is there an equation for a triangle?

31:20
Why the longest English word is PAPAL and SPA is the pointiest.

18:04
I found Amongi in the digits of pi!

27:26
This open problem taught me what topology is

13:56