Question

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

score 671 · Answer 1 · 2026-05-10 21:58:53

671

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

Published on 10 May 2026 - 21:58

score 78 · Answer 2 · 2026-04-16 13:27:00

78

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

Published on 16 Apr 2026 - 13:27

score 128 · Answer 3 · 2026-04-14 00:56:52

128

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

Published on 14 Apr 2026 - 0:56

score 101 · Answer 4 · 2026-04-15 14:00:02

101

Views

Proving that $π^e$ is irrational

Published on 15 Apr 2026 - 14:00

score 417 · Answer 5 · 2026-04-10 21:01:26

417

Views

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

Published on 10 Apr 2026 - 21:01

score 100 · Answer 6 · 2026-05-10 23:30:43

100

Views

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

Published on 10 May 2026 - 23:30

score 96 · Answer 7 · 2026-04-13 02:16:45

96

Views

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

Published on 13 Apr 2026 - 2:16

score 834 · Answer 8 · 2026-04-16 02:23:07

834

Views

$-1$ to the power of a irrational number

Published on 16 Apr 2026 - 2:23

score 209 · Answer 9 · 2026-04-12 13:35:10

209

Views

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

Published on 12 Apr 2026 - 13:35

score 570 · Answer 10 · 2026-04-16 23:15:38

570

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 16 Apr 2026 - 23:15

score 196 · Answer 11 · 2026-04-09 05:46:39

196

Views

Two definitions of $\pi$

Published on 09 Apr 2026 - 5:46

score 643 · Answer 12 · 2026-05-11 01:59:28

643

Views

Digits of $\pi$ in other bases?

Published on 11 May 2026 - 1:59

score 909 · Answer 13 · 2026-04-10 19:12:32

909

Views

Are my results new?

Published on 10 Apr 2026 - 19:12

score 1.3k · Answer 14 · 2026-04-13 06:39:05

1.3k

Views

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

Published on 13 Apr 2026 - 6:39

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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