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Mathematics
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cis
  • Member for 11 years, 4 months
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Top posts

3
Points A,B,C (fix) and X (variable) such that |AX| + |BX| = |CX|
Aug 2, 2019
2
Trapezium from two diagonals and two non-parallel sides
Apr 8, 2021
2
How to interpret the ratio $\frac ab=\frac{p^2}{q^2}$ of line segments $a,b,p,q$
Apr 27, 2021
2
How to derive $0,0,1,0,1,0,2,1,0,2,1,0,3,... = \lfloor(1/4)\lceil\sqrt{4n}\rceil^2\rfloor- n$ (A216607)
Jun 19, 2021
2
Calculation of the derangements (subfactorial, number of fixed-point-free permutations) from the normal factorial
Nov 2, 2025
1
How to prove the formula for the argument of a complex number?
Aug 12, 2014
0
Solution of a nonlinear system of equations with 3 unknowns
May 23, 2019
0
Construction by straightedge and compass of a trapezium from the two diagonals and the two non-parallel sides
Apr 24, 2021
-1
Constructing a triangle given 2 sides and the inscribed circle's radius
Jul 6, 2021

Top network posts

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13
Animated filling of a font character
12
xcolor: How to get the complementary color
11
3D Chip Design using TikZ
10
Trying to make an Edge of Empire Style Box
9
How to draw a Technology Radar?