By popular demand: integral of sin floor 1/x
9:13
Ramanujan wins again!!
22:51
The generalised Dirichlet integral: integral of (sinx)^n/x^n from zero to infinity
11:55
Germany | Fix The Equation by moving 1 stick | Improve IQ | Matchstick Puzzle
10:34
find the missing angle!!
17:15
The Prettiest Queen Sacrifice Of All Time
9:31
what a deranged number!!
18:04
The secret behind constants
4:34