List questions from recreational-mathematics

Published on 15 Apr 2026 - 8:29

81

Views

(Complex) circular approximation to $\gamma$ using the zeta-function around $s=1$

Published on 08 Apr 2026 - 19:15

359

Views

Arnold's Trivium: Problem 5

Published on 15 Apr 2026 - 14:43

864

Views

Algorithm to solve this grid puzzle?

Published on 12 Apr 2026 - 17:34

47

Views

Solve a system of mostly exponential equations

Published on 12 Apr 2026 - 17:20

60

Views

Randomly dropping coins in columns, odds of all columns being equal?

Published on 15 Apr 2026 - 3:40

796

Views

For which $n$ does $2^n+1$ divide $10^n+1$?

Published on 14 Apr 2026 - 22:52

399

Views

Need help understanding the problem statement?

Published on 08 Apr 2026 - 23:41

140

Views

Is there any special relationship between numbers divisble by 3, 4, 5 and 7?

Published on 14 Apr 2026 - 14:46

1k

Views

Natural Logarithm in a chaotic recursive function - Reaching stable points?

Published on 11 Apr 2026 - 4:51

246

Views

A riddle for 2017

Published on 13 Apr 2026 - 4:53

118

Views

What times can be measured with two hourglasses?

Published on 10 Apr 2026 - 23:54

82

Views

Knights Tour - What is the relationship between board size and number of tours?

Published on 03 Jul 2017 - 23:07

404

Views

Derivative as difference quotient with tricky limits due to square roots

Published on 14 Apr 2026 - 0:57

145

Views

Parallel rectangles covering circle problem

Published on 10 Apr 2026 - 22:26

List Question

Solving the functional equation $ f \left( \sqrt { x ^ 2 + y ^ 2 } \right) = f ( x ) f ( y ) $

(Complex) circular approximation to $\gamma$ using the zeta-function around $s=1$

Arnold's Trivium: Problem 5

Algorithm to solve this grid puzzle?

Solve a system of mostly exponential equations

Randomly dropping coins in columns, odds of all columns being equal?

For which $n$ does $2^n+1$ divide $10^n+1$?

Need help understanding the problem statement?

Is there any special relationship between numbers divisble by 3, 4, 5 and 7?

Natural Logarithm in a chaotic recursive function - Reaching stable points?

A riddle for 2017

What times can be measured with two hourglasses?

Knights Tour - What is the relationship between board size and number of tours?

Derivative as difference quotient with tricky limits due to square roots

Parallel rectangles covering circle problem

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