List questions from pi

Published on 26 Mar 2026 - 18:40

702

Views

Elementary proof that $\pi$ is irrational

Published on 15 Feb 2016 - 22:01

834

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Geometric interpretation of Leibniz formula for $\pi$

Published on 16 Feb 2016 - 0:06

122

Views

How to show $\lim\limits_{n\rightarrow \infty}\left(\raise{5pt}\frac{2^{4n}}{n\binom {2n} {n}^{2}}\right)=\pi $?

Published on 17 Feb 2016 - 10:36

406

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Limit approximation for $\pi$ in the four fours puzzle?

Published on 18 Feb 2016 - 14:34

1k

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Interpretation of $\frac{22}{7}-\pi$

Published on 19 Feb 2016 - 5:20

2.4k

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Finding sine of an angle in degrees without $\pi$

Published on 19 Feb 2016 - 19:12

141

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Use two formulas to approximate $\pi$

Published on 20 Feb 2016 - 0:52

1.5k

Views

Mirror algorithm for computing $\pi$ and $e$ - does it hint on some connection between them?

Published on 21 Feb 2016 - 0:56

75

Views

Need an Ambiguous example

Published on 26 Mar 2026 - 19:03

908

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If $e^{2\pi i}=1$ then is $2\pi i=0$?

Published on 21 Feb 2016 - 3:35

99

Views

Formula for cycloid?

Published on 25 Feb 2016 - 3:30

747

Views

Why is Gelfond's constant transcendental?

Published on 28 Mar 2026 - 2:22

257

Views

Why isn't there a formula for $\zeta(k)=\sum_{n=1}^\infty\frac{1}{n^k}$ involving $\pi$ when $k$ is odd?

Published on 27 Feb 2016 - 6:38

329

Views

Why do ratios of these Fibonacci-type sequences approach $\pi$?

Published on 29 Feb 2016 - 23:40

List Question

A series of positive terms to prove $\pi>\frac{333}{106}$

Elementary proof that $\pi$ is irrational

Geometric interpretation of Leibniz formula for $\pi$

How to show $\lim\limits_{n\rightarrow \infty}\left(\raise{5pt}\frac{2^{4n}}{n\binom {2n} {n}^{2}}\right)=\pi $?

Limit approximation for $\pi$ in the four fours puzzle?

Interpretation of $\frac{22}{7}-\pi$

Finding sine of an angle in degrees without $\pi$

Use two formulas to approximate $\pi$

Mirror algorithm for computing $\pi$ and $e$ - does it hint on some connection between them?

Need an Ambiguous example

If $e^{2\pi i}=1$ then is $2\pi i=0$?

Formula for cycloid?

Why is Gelfond's constant transcendental?

Why isn't there a formula for $\zeta(k)=\sum_{n=1}^\infty\frac{1}{n^k}$ involving $\pi$ when $k$ is odd?

Why do ratios of these Fibonacci-type sequences approach $\pi$?

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