Question

Proof of this formula for $\sqrt{e\pi/2}$ and similar formulas.

score 668 · Answer 1 · 2026-03-25 09:38:38

668

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Proof of this formula for $\sqrt{e\pi/2}$ and similar formulas.

Published on 25 Mar 2026 - 9:38

score 75 · Answer 2 · 2019-01-10 14:54:33

75

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What is the travelled distance of the red mark on the upper surface of the rotating cube?

Published on 10 Jan 2019 - 14:54

score 125 · Answer 3 · 2019-01-12 14:15:03

125

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Why is $\left\lfloor\frac{\lfloor a\pi\rfloor}{a}\right\rfloor=3$ for $a>0$?

Published on 12 Jan 2019 - 14:15

score 98 · Answer 4 · 2019-01-19 18:26:34

98

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Proving that $π^e$ is irrational

Published on 19 Jan 2019 - 18:26

score 414 · Answer 5 · 2019-01-29 17:27:12

414

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What is the numerical value of $(-3)^{\pi}$

Published on 29 Jan 2019 - 17:27

score 97 · Answer 6 · 2026-03-25 06:06:31

97

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Evaluating $S_n$ where $n=1,2,3,\dots$ and $S_n=\sum_{k=1}^{\infty }\frac{1}{(4k^2-1)^n}$

Published on 25 Mar 2026 - 6:06

score 94 · Answer 7 · 2019-02-23 11:18:10

94

Views

Transition from $n$ Polygon to $2n$ Polygon which encloses the unit circle.

Published on 23 Feb 2019 - 11:18

score 832 · Answer 8 · 2019-03-09 14:12:28

832

Views

$-1$ to the power of a irrational number

Published on 09 Mar 2019 - 14:12

score 206 · Answer 9 · 2019-03-11 10:10:46

206

Views

Can the value of the Riemann zeta function at $n=2$ be derived from the Wallis formula for $\pi$?

Published on 11 Mar 2019 - 10:10

score 567 · Answer 10 · 2019-03-14 08:46:56

567

Views

Proof of identity for $\pi$: $\frac{\pi}{3} = \frac{2}{\sqrt{2+\sqrt{3}}}\frac{2}{\sqrt{2+\sqrt{2+\sqrt{3}}}}\cdots$

Published on 14 Mar 2019 - 8:46

score 193 · Answer 11 · 2019-03-14 11:04:29

193

Views

Two definitions of $\pi$

Published on 14 Mar 2019 - 11:04

score 637 · Answer 12 · 2026-03-24 23:45:44

637

Views

Digits of $\pi$ in other bases?

Published on 24 Mar 2026 - 23:45

score 907 · Answer 13 · 2026-03-25 20:34:29

907

Views

Are my results new?

Published on 25 Mar 2026 - 20:34

score 1.3k · Answer 14 · 2019-03-27 12:19:50

1.3k

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For Fourier series, where does the $\pi$ and the $2\pi$ come from?

Published on 27 Mar 2019 - 12:19

score 174 · Answer 15 · 2026-03-25 17:26:32

174

Views

Normal vs disjunctive vs lexicon

Published on 25 Mar 2026 - 17:26

List Question

Proof of this formula for $\sqrt{e\pi/2}$ and similar formulas.

What is the travelled distance of the red mark on the upper surface of the rotating cube?

Why is $\left\lfloor\frac{\lfloor a\pi\rfloor}{a}\right\rfloor=3$ for $a>0$?

Proving that $π^e$ is irrational

What is the numerical value of $(-3)^{\pi}$

Evaluating $S_n$ where $n=1,2,3,\dots$ and $S_n=\sum_{k=1}^{\infty }\frac{1}{(4k^2-1)^n}$

Transition from $n$ Polygon to $2n$ Polygon which encloses the unit circle.

$-1$ to the power of a irrational number

Can the value of the Riemann zeta function at $n=2$ be derived from the Wallis formula for $\pi$?

Proof of identity for $\pi$: $\frac{\pi}{3} = \frac{2}{\sqrt{2+\sqrt{3}}}\frac{2}{\sqrt{2+\sqrt{2+\sqrt{3}}}}\cdots$

Two definitions of $\pi$

Digits of $\pi$ in other bases?

Are my results new?

For Fourier series, where does the $\pi$ and the $2\pi$ come from?

Normal vs disjunctive vs lexicon

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