List questions from pi

Published on 12 Nov 2015 - 7:09

69

Views

A variation of Viète's formula -- an infinite product of nested radicals

Published on 29 Mar 2026 - 16:23

461

Views

If π is irrational, does that means no one may ever draw a perfect circle?

Published on 22 Nov 2015 - 20:57

151

Views

Is it possible to construct an incrementally accurate rectification of a circle?

Published on 28 Mar 2026 - 10:16

14k

Views

What are your favorite relations between e and pi?

Published on 30 Mar 2026 - 2:05

142

Views

Two formulae for $\pi$, probably known?

Published on 24 Nov 2015 - 11:27

1.4k

Views

Are these trigonometric expressions for the ceiling and floor functions correct?

Published on 24 Nov 2015 - 21:55

627

Views

How are irrational numbers, fixed points on the number line?

Published on 26 Nov 2015 - 12:59

50

Views

Using $\pi$ to number by X-mas presents

Published on 01 Dec 2015 - 16:12

753

Views

just another $\pi$ formula

Published on 03 Dec 2015 - 6:28

175

Views

How can I prove without using a calculator that $\frac{1}{e} > \frac{\ln \pi}{\pi}$?

Published on 04 Dec 2015 - 14:59

161

Views

Identify the class of language?

Published on 29 Mar 2026 - 21:51

182

Views

Decimal digits in $\pi$

Published on 29 Mar 2026 - 17:49

1.2k

Views

How fundamental is Euler's identity, really?

Published on 18 Dec 2015 - 2:45

4.1k

Views

Infinite sums of reciprocal power: $\sum\frac1{n^{2}}$ over odd integers

Published on 18 Dec 2015 - 10:11

List Question

Longest chain of digits in $\pi$.

A variation of Viète's formula -- an infinite product of nested radicals

If π is irrational, does that means no one may ever draw a perfect circle?

Is it possible to construct an incrementally accurate rectification of a circle?

What are your favorite relations between e and pi?

Two formulae for $\pi$, probably known?

Are these trigonometric expressions for the ceiling and floor functions correct?

How are irrational numbers, fixed points on the number line?

Using $\pi$ to number by X-mas presents

just another $\pi$ formula

How can I prove without using a calculator that $\frac{1}{e} > \frac{\ln \pi}{\pi}$?

Identify the class of language?

Decimal digits in $\pi$

How fundamental is Euler's identity, really?

Infinite sums of reciprocal power: $\sum\frac1{n^{2}}$ over odd integers

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