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Mathematics
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Penguino
  • Member for 10 years, 11 months
  • Last seen this week
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Sometimes programmer

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Top posts
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50
Is it possible to rewrite $\sin(x) / \sin(y)$ in the form of $\sin(z)$?
Oct 17, 2016
4
Simple algorithm to get the square of an integer using only addition?
Oct 23, 2013
3
The distance between the centers of two circles K1 and K2 is 2cm. Determine the surface area of the figure that belongs to both circles.
Oct 24, 2018
3
Can this integral similar to $\int_{-\infty}^{\infty} \frac{\sin(x)}{x} dx$ be evaluated?
Apr 17, 2018
3
Find $g(y-1)$ given $g(y)=y^2+2y+1$
Mar 10, 2015
3
Number of faces visible in different dimensions
May 23, 2016
2
When does cubic packing of n^3 spheres in a cube break down (in terms of maximizing packing density)
Dec 1, 2013
2
Is it always possible to cut out a piece of the square with $\frac{1}{5}$ of its area?
Dec 12, 2022
2
Number of points to define cone
May 28, 2018
2
What is the probability if I draw $1$ of $100$ different balls that this $1$ is one of $3$ predefined ones?
Jun 22, 2022
Top network posts
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84
If I build a railroad around the edge of a supercontinent, will that kill the oceangoing shipping industry?
70
Despite same materials, why crystal balls are used but not crystal wands?
53
Why can't sunlight reach the very deep parts of an ocean?
42
Scratching my head can kill me
40
How much light is too much?