User:Hadrianos1990

This user is a recent changes patroller.

This user reverts vandalism in the blink of an eye with Twinkle!

vn-23

This user page has been vandalized 23 times.

This user contributes using Mozilla Firefox.

$\sum_{i=1}^{\infty}{1 \over i^2}$

This user is an advanced mathematician.

This user enjoys thinking in Four Dimensions.

(1),

(n) →

(n+1)

This user is a Sudoku addict.

This user can solve a Rubik's Cube without cheating.

This user enjoys playing chess.

Real Madrid C.F.