Question

Is there a closed form for $\zeta(\pi)$?

score 331 · Answer 1 · 2026-04-11 06:31:00

331

Views

Is there a closed form for $\zeta(\pi)$?

Published on 11 Apr 2026 - 6:31

score 295 · Answer 2 · 2026-05-10 18:27:51

295

Views

Is there an intuitive explanation for the occurrence of e and pi in Stirling's approximation? - $n!\approx \sqrt{2\pi n} (n/e)^n$

Published on 10 May 2026 - 18:27

score 522 · Answer 3 · 2026-04-08 16:07:17

522

Views

Can The Existence Of $\pi$ Be Proved Without Formal Analysis?

Published on 08 Apr 2026 - 16:07

score 76 · Answer 4 · 2026-04-14 16:48:40

Adding $2\pi$ inches to a string about the Earth's equator makes a new circle reaching how far above the ground?

score 85 · Answer 5 · 2026-04-14 01:24:28

85

Views

Is $2\pi\sum_{n=0}^\infty\frac1{n!(n+1)!}$ equal to $5/\pi$?

Published on 14 Apr 2026 - 1:24

score 96 · Answer 6 · 2026-04-13 04:31:16

96

Views

Has the arithmetic mean of the Leibniz series been used for computing $\pi$?

Published on 13 Apr 2026 - 4:31

score 601 · Answer 7 · 2026-04-10 11:08:19

601

Views

How is Euler's Formula Wrong?

Published on 10 Apr 2026 - 11:08

score 5.6k · Answer 8 · 2026-04-12 02:18:11

5.6k

Views

How are the known digits of $\pi$ guaranteed?

Published on 12 Apr 2026 - 2:18

score 306 · Answer 9 · 2026-04-12 21:44:28

306

Views

Help understanding the cause of this pattern when writing π as an infinite series with double factorials

Published on 12 Apr 2026 - 21:44

score 92 · Answer 10 · 2026-05-10 13:10:45

92

Views

Silly Question about $π$

Published on 10 May 2026 - 13:10

score 65 · Answer 11 · 2026-04-15 21:40:29

65

Views

Does this limit $lim_{n\to\infty}\sum_{i=0}^n 1/n \sqrt{1 - i^2/n^2}$ converge to $\pi/4$?

Published on 15 Apr 2026 - 21:40

score 155 · Answer 12 · 2026-04-11 04:18:11

155

Views

A nice relationship between $\zeta$, $\pi$ and $e$

Published on 11 Apr 2026 - 4:18

score 226 · Answer 13 · 2026-04-16 02:14:19

226

Views

Nice result that I can't prove: $\int_{-2}^{2} \tan^{-1} \bigg( \exp(-x²\text{erf}(x)) \bigg) \;dx=\pi$

Published on 16 Apr 2026 - 2:14

score 6.1k · Answer 14 · 2026-03-25 15:58:37

6.1k

Views

What is the formula for pi used in the Python decimal library?

Published on 25 Mar 2026 - 15:58

score 176 · Answer 15 · 2026-04-10 22:21:54

176

Views

Confusion over the word "ratio" in the definition of $\pi$

Published on 10 Apr 2026 - 22:21

List Question

Is there a closed form for $\zeta(\pi)$?

Is there an intuitive explanation for the occurrence of e and pi in Stirling's approximation? - $n!\approx \sqrt{2\pi n} (n/e)^n$

Can The Existence Of $\pi$ Be Proved Without Formal Analysis?

Adding $2\pi$ inches to a string about the Earth's equator makes a new circle reaching how far above the ground?

Is $2\pi\sum_{n=0}^\infty\frac1{n!(n+1)!}$ equal to $5/\pi$?

Has the arithmetic mean of the Leibniz series been used for computing $\pi$?

How is Euler's Formula Wrong?

How are the known digits of $\pi$ guaranteed?

Help understanding the cause of this pattern when writing π as an infinite series with double factorials

Silly Question about $π$

Does this limit $lim_{n\to\infty}\sum_{i=0}^n 1/n \sqrt{1 - i^2/n^2}$ converge to $\pi/4$?

A nice relationship between $\zeta$, $\pi$ and $e$

Nice result that I can't prove: $\int_{-2}^{2} \tan^{-1} \bigg( \exp(-x²\text{erf}(x)) \bigg) \;dx=\pi$

What is the formula for pi used in the Python decimal library?

Confusion over the word "ratio" in the definition of $\pi$

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