4:24

Dear Tejas, challenge ACCOMPLISHED! (Speed run, Uncut)

22:28

so you want a HARD integral from the Berkeley Math Tournament

24:50

5 Levels Of “No Answer" (when should we use what?)

31:27

EXTREME quintic equation! (very tiring)

13:51

so you want a VERY HARD math question?!

14:50

believe in the math, not wolframalpha

10:34

A Nice Exponential Equation, x²=2ˣ

12:42

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