math professor explains viral square root problem
16:45
Um número elevado à potência de uma matriz - Numberphile
13:09
two nice superfactorial problems
26:06
The 60 Year Quest for the Perfect Sofa
13:51
What the 1869 MIT Entrance Exam Reveals About Math Today
11:18
does your Calculus teacher give you limits this hard?!?
13:55
Imaginary numbers aren't imaginary
21:15
Abstract Algebra is Nuts
14:17