these numbers are "best friends"
19:32
Some geometry behind the Basel problem
21:23
a nice result from Ramanujan's "lost notebook"
30:31
Climbing past the complex numbers.
19:38
a prime example of an infinite matrix product
23:43
a very tricky Diophantine equation
27:16
Example of Coulomb’s Law and The Electric Field from Three Point Charges: A Physics Problem Solved.
23:03
the parabolic trig functions
16:16