Mathematics
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swish
  • Member for 11 years
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You Should Do The Matasano Crypto Challenges. I did and they are awesome.

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All Questions Answers
Score Newest
answer
34
How to put 9 pigs into 4 pens so that there are an odd number of pigs in each pen?
Nov 7, 2013
question
15
Minimum number of steps needed to solve a rubik cube
Jan 4, 2013
answer
13
How to represent the floor function using mathematical notation?
May 12, 2013
answer
10
What are some examples of notation that really improved mathematics?
Nov 7, 2013
answer
3
using numbers 1 to 9 only once to equal 1 million
Oct 1, 2012
answer
2
difficulty working out equation $\int_{-a}^{a}2(\sqrt{a^2-x^2})dx $ =$\left.2[\frac{1}{2}\sqrt{a^2-x^2}+a^2\arcsin(\frac{x}{a})]\right|_{-a}^{a}$
Oct 1, 2012
answer
2
7th class question my daughter asked and need answer if possible
Mar 17, 2013
question
1
Choosing pairs of numbers with distinct bounded sum
Jun 2, 2016
answer
1
Change of variables in Belousov-Zhabotinsky reaction
Dec 15, 2012
question
0
Is there known generating function having this form: $\sum\frac{m-(i_1 + \ldots + i_k)}{i_1! \ldots i_k!} x_1^{i_1}\ldots x_k^{i_k}$?
Sep 26, 2019
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