11:19

A Mathematician's Lament

16:59

I quit my PhD a year ago. This is what happened.

8:08

My regrets studying mathematics

14:52

Cálculo explicado através de uma história

14:47

The way math should be taught

13:19

Tibees' grades 👀

15:53

Math for cats

18:20

Einstein's PhD thesis 👀👀