List questions from recreational-mathematics

Published on 13 Apr 2026 - 13:27

103

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What would the possible compression be with Pi

Published on 10 Apr 2026 - 19:50

72

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Simplest discrete interactable universe

Published on 29 Apr 2026 - 4:10

209

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Wrong answers to simple trigonometry questions

Published on 09 Apr 2026 - 3:30

106

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Minimum cost incurred for covering the floor with tiles

Published on 11 Apr 2026 - 3:24

45

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If this indeed a right angle triangle in this exercise or is my drawing confusing me?

Published on 15 Apr 2026 - 4:23

73

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Is it possible to get a 4 digit pin from this?

Published on 10 Apr 2026 - 21:41

60

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Convergence of Kaprekar's constant

Published on 14 Apr 2026 - 11:24

100

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Product as linear combination of squared linear combinations

Published on 14 Apr 2026 - 11:52

238

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Do these "hyper-discontinuous" functions exist?

Published on 16 Apr 2026 - 12:42

157

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Cutting a galette and hitting the fève

Published on 12 Apr 2026 - 12:11

33

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Given $\theta_1,\theta_2,\theta_3$, does there exist solution for $e^{i\theta_1 T} + e^{i\theta_2 T} + e^{i\theta_3 T} =0$?

Published on 15 Apr 2026 - 18:17

224

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limit $\underbrace{\lim_{n\to\infty}\frac1n+\lim_{n\to\infty}\frac1n+\cdots+\lim_{n\to\infty}\frac1n}_{n\text{ times}}$

Published on 16 Apr 2026 - 1:01

74

Views

Pattern in number of digits in $(10^n)!$

Published on 11 Apr 2026 - 18:08

220

Views

Product of $k$ factors as linear combination of linear combinations of its factors that are raised to the power of $k$

Published on 12 Apr 2026 - 20:58

List Question

Can not derive $\cos (x + y)$

What would the possible compression be with Pi

Simplest discrete interactable universe

Wrong answers to simple trigonometry questions

Minimum cost incurred for covering the floor with tiles

If this indeed a right angle triangle in this exercise or is my drawing confusing me?

Is it possible to get a 4 digit pin from this?

Convergence of Kaprekar's constant

Product as linear combination of squared linear combinations

Do these "hyper-discontinuous" functions exist?

Cutting a galette and hitting the fève

Given $\theta_1,\theta_2,\theta_3$, does there exist solution for $e^{i\theta_1 T} + e^{i\theta_2 T} + e^{i\theta_3 T} =0$?

limit $\underbrace{\lim_{n\to\infty}\frac1n+\lim_{n\to\infty}\frac1n+\cdots+\lim_{n\to\infty}\frac1n}_{n\text{ times}}$

Pattern in number of digits in $(10^n)!$

Product of $k$ factors as linear combination of linear combinations of its factors that are raised to the power of $k$

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