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Syd Henderson

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 8 years, 1 month
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  • Last seen Mar 13 '20 at 21:54

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109 Non-associative operations Aug 23 '18
13 Why is $ \sum_{n=0}^{\infty}\frac{x^n}{n!} = e^x$? Jul 1 '13
5 Calculate $1\times 3\times 5\times \cdots \times 2013$ last three digits. Mar 2 '13
4 Is there an easy way to find $2^p \pmod p$? Mar 1 '13
3 Embedding ordinals in $\mathbb{Q}$ Nov 28 '12
3 Statements on Cardinality of sets Jul 3 '13
3 Real Numbers to Irrational Powers Aug 2 '13
3 Regarding uses of $i$ (square root of $-1$) Aug 14 '13
3 Proper subspaces of $ R^n $ Sep 28 '13
3 Does there exist a continuous function such that f(x) is rational for every irrational x, and f(x) is irrational for every rational x? Nov 22 '13
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