User Ξένη Γήινος - Mathematics Stack Exchange

29 votes

6 answers

3k views

How to simplify the calculations of reflecting a ray about an ellipse

asked May 31, 2022 at 7:42

9 votes

0 answers

148 views

Why do emirp numbers create concentric rings in polar plot?

asked Jun 18, 2023 at 11:06

8 votes

1 answer

378 views

Formula to inscribe nested polygons tilted by $x^\circ$?

asked May 30, 2022 at 10:21

4 votes

1 answer

387 views

Formula to calculate the upper limit of natural number n whose digit sum of $n^p$ equals n

asked Oct 9, 2023 at 17:52

4 votes

1 answer

185 views

How to find all possible connections between immediate lattice points in a $n\times n$ square?

asked Feb 3, 2023 at 10:53

4 votes

2 answers

269 views

Why do perfect squares in Pythagorean spirals generate triple spiral pattern

asked May 29, 2022 at 11:58

3 votes

3 answers

295 views

How to calculate the bounding box of any Reuleaux triangle?

asked Jun 24, 2022 at 11:06

3 votes

1 answer

692 views

How to convert Cartesian coordinates to "Toroidal" coordinates?

asked Jul 6, 2022 at 9:09

2 votes

1 answer

63 views

How do I mathematically determine from which side I need to construct the next polygon to create a spiral shape

asked May 29, 2022 at 7:29

1 vote

1 answer

46 views

What is the equation for this kind of recursive sequence?

asked May 26, 2022 at 7:32

1 vote

1 answer

151 views

How to identify spirals in polar plot of prime numbers?

asked Jun 16, 2023 at 8:15

1 vote

1 answer

194 views

How to find log2 of a number with Newton's method?

asked Sep 22, 2023 at 13:16

1 vote

1 answer

100 views

How to find rational power of two using Newton's method?

asked Sep 23, 2023 at 10:01

1 vote

0 answers

45 views

Generalized Ulam spirals, can we do better than four?

asked Jul 25, 2023 at 4:30

1 vote

1 answer

52 views

Rate of change of angle vs rate of change of distance of a point on a circle from a fixed point

asked Aug 23, 2023 at 16:14

1 vote

0 answers

22 views

How to apply "whirl" transformation?

asked Nov 3, 2023 at 6:46

1 vote

0 answers

60 views

Distance from a tangent to a circle given radian

asked Dec 8, 2023 at 9:14

0 votes

0 answers

228 views

How to calculate the exact number of legal Tic Tac Toe states for order n?

asked Nov 6, 2023 at 9:59

0 votes

0 answers

152 views

How to optimize Sieve of Eratosthenes to reduce repeated marking of composites

asked Aug 24, 2023 at 11:01

0 votes

2 answers

97 views

Why doesn't this Taylor series for exponentiation work?

asked Sep 19, 2023 at 16:49

0 votes

1 answer

68 views

What are the mathematical equations for these three particular spirals of modulo three groups squared

asked May 30, 2022 at 7:07

0 votes

1 answer

122 views

Given two points A,B construct a right triangle so that AB is the hypotenuse and one of the acute angles is $\alpha$

asked Jun 1, 2022 at 12:30

0 votes

1 answer

121 views

How do I find the area between two x values in a normal distribution? [closed]

asked Jun 8, 2022 at 8:02

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23 Questions

How to simplify the calculations of reflecting a ray about an ellipse

Why do emirp numbers create concentric rings in polar plot?

Formula to inscribe nested polygons tilted by $x^\circ$?

Formula to calculate the upper limit of natural number n whose digit sum of $n^p$ equals n

How to find all possible connections between immediate lattice points in a $n\times n$ square?

Why do perfect squares in Pythagorean spirals generate triple spiral pattern

How to calculate the bounding box of any Reuleaux triangle?

How to convert Cartesian coordinates to "Toroidal" coordinates?

How do I mathematically determine from which side I need to construct the next polygon to create a spiral shape

What is the equation for this kind of recursive sequence?

How to identify spirals in polar plot of prime numbers?

How to find log2 of a number with Newton's method?

How to find rational power of two using Newton's method?

Generalized Ulam spirals, can we do better than four?

Rate of change of angle vs rate of change of distance of a point on a circle from a fixed point

How to apply "whirl" transformation?

Distance from a tangent to a circle given radian

How to calculate the exact number of legal Tic Tac Toe states for order n?

How to optimize Sieve of Eratosthenes to reduce repeated marking of composites

Why doesn't this Taylor series for exponentiation work?

What are the mathematical equations for these three particular spirals of modulo three groups squared

Given two points A,B construct a right triangle so that AB is the hypotenuse and one of the acute angles is $\alpha$

How do I find the area between two x values in a normal distribution? [closed]