12:42

are you tired of the a^b vs b^a questions?

15:24

Romanian Mathematics Olympiad

25:22

What Lies Above Pascal's Triangle?

17:26

Researchers thought this was a bug (Borwein integrals)

12:59

You probably haven't solved a quartic equation like this before!

18:08

a super nice functional equation

19:27

How Paul Erdős Cracked This Geometry Problem | The Anning-Erdős Theorem

16:28

A very interesting differential equation.