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visits member for 2 years, 7 months
seen May 4 '13 at 16:56

Jan
15
awarded  Supporter
Jan
14
answered Why $x<\tan{x}$ while $0<x<\frac{\pi}{2}$?
Jan
14
answered How to win at roulette?
Jan
13
awarded  Teacher
Jan
13
answered Solving a $1^\infty$ indeterminate form.