Question

Why are there so many primes in the convergents of Pi?

score 1.2k · Answer 1 · 2016-04-09 19:00:24

1.2k

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Why are there so many primes in the convergents of Pi?

Published on 09 Apr 2016 - 19:00

score 44 · Answer 2 · 2026-02-23 11:24:32

44

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Understanding this trigonometric identity $\frac{n}{2} (2 \cos \frac{\alpha_n}{2} \sin \frac{\alpha_n}{2}) = \frac{n}{2} \sin \alpha_n$

Published on 23 Feb 2026 - 11:24

score 108 · Answer 3 · 2016-04-13 01:35:44

108

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Why are these sums equal?

Published on 13 Apr 2016 - 1:35

score 93 · Answer 4 · 2026-03-30 09:06:38

93

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Pos properties.

Published on 30 Mar 2026 - 9:06

score 124 · Answer 5 · 2016-04-13 19:09:31

124

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Improve upon: $\sqrt[4]{3^4+2^4+\frac{1}{2+(\frac{2}{3})^2}} \approx \pi$

Published on 13 Apr 2016 - 19:09

score 322 · Answer 6 · 2016-04-22 04:32:56

322

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How to find the correct value of pi?

Published on 22 Apr 2016 - 4:32

score 19.2k · Answer 7 · 2016-05-01 03:19:56

19.2k

Views

How do we know the ratio between circumference and diameter is the same for all circles?

Published on 01 May 2016 - 3:19

score 258 · Answer 8 · 2016-05-02 05:17:43

258

Views

Proof of $\sum\limits_{k=1}^{\infty} \frac{1}{k^4} = \frac{\pi^4}{90}$ using the Fourier series of $|x|$

Published on 02 May 2016 - 5:17

score 255 · Answer 9 · 2016-05-02 14:46:48

255

Views

Are there infinite self-locating strings in the decimal expansion of $\pi$?

Published on 02 May 2016 - 14:46

score 85 · Answer 10 · 2016-05-03 14:19:45

85

Views

I discovered a sequence that should converge to $\pi$ , but how to prove that it really converges to $\pi$?

Published on 03 May 2016 - 14:19

score 2.4k · Answer 11 · 2016-05-03 21:20:30

2.4k

Views

Solving For Sin Using Pi

Published on 03 May 2016 - 21:20

score 4.5k · Answer 12 · 2016-05-04 20:00:59

4.5k

Views

How to find sequence of digits in pi?

Published on 04 May 2016 - 20:00

score 1.2k · Answer 13 · 2026-03-27 16:22:50

1.2k

Views

Show that $\sum_{n=0}^{\infty}\frac{2^n(5n^5+5n^4+5n^3+5n^2-9n+9)}{(2n+1)(2n+2)(2n+3){2n\choose n}}=\frac{9\pi^2}{8}$

Published on 27 Mar 2026 - 16:22

score 272 · Answer 14 · 2016-05-07 00:12:59

272

Views

Can the sum of a finite series equal $\pi$?

Published on 07 May 2016 - 0:12

score 395 · Answer 15 · 2016-05-08 15:16:52

395

Views

Confusion with Bellard's algorithm for Pi

Published on 08 May 2016 - 15:16

List Question

Why are there so many primes in the convergents of Pi?

Understanding this trigonometric identity $\frac{n}{2} (2 \cos \frac{\alpha_n}{2} \sin \frac{\alpha_n}{2}) = \frac{n}{2} \sin \alpha_n$

Why are these sums equal?

Pos properties.

Improve upon: $\sqrt[4]{3^4+2^4+\frac{1}{2+(\frac{2}{3})^2}} \approx \pi$

How to find the correct value of pi?

How do we know the ratio between circumference and diameter is the same for all circles?

Proof of $\sum\limits_{k=1}^{\infty} \frac{1}{k^4} = \frac{\pi^4}{90}$ using the Fourier series of $|x|$

Are there infinite self-locating strings in the decimal expansion of $\pi$?

I discovered a sequence that should converge to $\pi$ , but how to prove that it really converges to $\pi$?

Solving For Sin Using Pi

How to find sequence of digits in pi?

Show that $\sum_{n=0}^{\infty}\frac{2^n(5n^5+5n^4+5n^3+5n^2-9n+9)}{(2n+1)(2n+2)(2n+3){2n\choose n}}=\frac{9\pi^2}{8}$

Can the sum of a finite series equal $\pi$?

Confusion with Bellard's algorithm for Pi

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