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Giovanni Resta

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http://www.numbersaplenty.com

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Top Questions

++ is dangerous for C programmers

programming core-language assignment language-design asked Feb 17 '16 at 20:34

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Is it better to completely forget about the existence of PowersRepresentations?

functions performance-tuning combinatorics number-theory asked Apr 28 '16 at 12:37

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A curious property of $\operatorname{frac}(e\cdot k)$

exponential-function recreational-mathematics constants fractional-part asked Mar 29 '16 at 9:20

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Top Answers

$52$ cards reciprocal sum probability

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Triangle angles.

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How many different functions we have by only use of $\min$ and $\max$?

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Is it true that for any square matrix $A$, if $A^4=\text{Id}$ then $A^2=-\text{Id}$ or $A^2=\text{Id}$?

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What's the negation of “At least three of the sentence are false”?

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Choosing 26 of 52 cards, reciprocal probability.

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If $A \subseteq \mathbb{N}$, $2^n \in A$ and if $x\in A$, then $\lfloor \sqrt{x} \rfloor \in A$. Is it true that $A=\mathbb{N}$?

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