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location Iran
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visits member for 2 years
seen Aug 27 at 5:29

Android, C# nerd


Jan
5
suggested rejected edit on why $\pi cot \pi z = \sum _{n=-\infty}^{\infty} \frac{1}{z+n}$
Jan
5
suggested rejected edit on why $\pi cot \pi z = \sum _{n=-\infty}^{\infty} \frac{1}{z+n}$