Proving MY FAVORITE IDENTITY using DISCRETE DERIVATIVE
31:33
O Mais Antigo Problema Não Resolvido da Matemática
38:31
Conjuntos abertos de números reais -- Vídeo de topologia 1
21:16
The most interesting differential equation you have seen.
38:27
Discrete Calculus: My favorite topic for a student seminar talk!
20:38
a physicist's favorite "FUNCTION"
11:00
The Mystery of Hyperbolicity - Numberphile
15:05
Use EULER'S SUBSTITUTION not TRIG SUBSTITUTION!
20:42