How can we solve a complex sum???
21:46
The dilogarithm -- a favorite "special function"
19:14
The strange cousin of the complex numbers -- the dual numbers.
18:01
Can you do it in 4 minutes???
19:21
The overpowered Laplace technique for summing series.
9:50
How to really solve sin(x^2)=sin(x)
17:39
the integral that Feynman('s trick) couldn't solve
11:09
Can I use Geometric series when x goes to infinity?
15:17