Question

Enumerating a subset of rationals: a variation on the Calkin–Wilf tree

score 125 · Answer 1 · 2021-09-07 22:28:00

125

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Enumerating a subset of rationals: a variation on the Calkin–Wilf tree

Published on 07 Sep 2021 - 22:28

score 362 · Answer 2 · 2021-09-10 06:13:01

362

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Pythagoras Theorem or Trigonometry?

Published on 10 Sep 2021 - 6:13

score 335 · Answer 3 · 2021-09-10 10:45:16

335

Views

Does the diophantine equation $ax^2+by^2=cz^2+d$ always have solutions?

Published on 10 Sep 2021 - 10:45

score 1.4k · Answer 4 · 2021-10-01 14:41:06

1.4k

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How do you find Pythagorean triples that approximately correspond to a right triangle with a given angle?

Published on 01 Oct 2021 - 14:41

score 31 · Answer 5 · 2021-10-12 12:27:59

Does the edge of the shadow of a person's head move in a straight line if the person moves in a straight line with the light source fixed in a place?

score 230 · Answer 6 · 2021-10-13 08:15:48

230

Views

Given two pythagorean triples, generate another

Published on 13 Oct 2021 - 8:15

score 198 · Answer 7 · 2021-11-12 15:18:59

198

Views

Upper and lower bound on the N-th Pythagorean triplet

Published on 12 Nov 2021 - 15:18

score 104 · Answer 8 · 2021-11-20 15:21:53

104

Views

How can I calculate the relative lengths of triangle sides if all angles are known?

Published on 20 Nov 2021 - 15:21

score 1.5k · Answer 9 · 2021-11-25 21:23:42

1.5k

Views

How to calculate the side of a right triangle from the coordinates of points and the length of one side?

Published on 25 Nov 2021 - 21:23

score 95 · Answer 10 · 2021-11-28 13:17:13

95

Views

Primitive Pythagorean Triples + Exponent

Published on 28 Nov 2021 - 13:17

score 65 · Answer 11 · 2021-11-29 08:57:46

65

Views

If $A^2+B^2=C^2$ with $A$ odd, $A,B,C$ coprime and $A<B<C$, is $B+C$ a square?

Published on 29 Nov 2021 - 8:57

score 35 · Answer 12 · 2021-12-13 08:45:43

35

Views

Color each positive integer with red and blue, whether there must be three numbers $a, b, c$ with same color such that $a^2+b^2 = c^2$?

Published on 13 Dec 2021 - 8:45

score 72 · Answer 13 · 2021-12-18 10:10:57

72

Views

Square pyramid with integer measurements.

Published on 18 Dec 2021 - 10:10

score 265 · Answer 14 · 2026-03-25 23:51:38

265

Views

Magic square of square

Published on 25 Mar 2026 - 23:51

score 222 · Answer 15 · 2021-12-26 10:49:09

222

Views

For integers $x<y<z$, why are these cases impossible for Mengoli's Six-Square Problem?

Published on 26 Dec 2021 - 10:49

List Question

Enumerating a subset of rationals: a variation on the Calkin–Wilf tree

Pythagoras Theorem or Trigonometry?

Does the diophantine equation $ax^2+by^2=cz^2+d$ always have solutions?

How do you find Pythagorean triples that approximately correspond to a right triangle with a given angle?

Does the edge of the shadow of a person's head move in a straight line if the person moves in a straight line with the light source fixed in a place?

Given two pythagorean triples, generate another

Upper and lower bound on the N-th Pythagorean triplet

How can I calculate the relative lengths of triangle sides if all angles are known?

How to calculate the side of a right triangle from the coordinates of points and the length of one side?

Primitive Pythagorean Triples + Exponent

If $A^2+B^2=C^2$ with $A$ odd, $A,B,C$ coprime and $A<B<C$, is $B+C$ a square?

Color each positive integer with red and blue, whether there must be three numbers $a, b, c$ with same color such that $a^2+b^2 = c^2$?

Square pyramid with integer measurements.

Magic square of square

For integers $x<y<z$, why are these cases impossible for Mengoli's Six-Square Problem?

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