A functional equation from my favorite book.
7:40
Methods of Functional Equations
8:05
1. FC Heidenheim – Eintracht Frankfurt Highlights Bundesliga, 12. Spieltag | Sportschau Fußball
12:02
A functional equation from Kyrgyzstan
19:30
a notorious functional equation.
8:46
Michael Spivak's Calculus Book
21:23
Euler's Formula - Numberphile
15:34
One of the coolest functional equations I have seen!
6:09