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gar
  • Member for 10 years, 6 months
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Great free softwares for an experimental (or whatever) mathematician:

Sagemath : Perhaps the best free CAS

J : An array programming language

FriCAS : Has some very good sequence guessing routines

ARPREC : "The Experimental Mathematician's Toolkit"

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Top posts
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2
Antiferromagnetic ordering
Jul 11, 2015
answer
1
Hexadecimal Counter
Jul 13, 2015
answer
1
Counting from 1 to an Integer… in Binary
Jul 18, 2015
answer
1
Simpson diversity index
Jul 21, 2015
answer
1
The rice and chess problem
May 8, 2016
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31
How prove this sum $\sum_{n=1}^{\infty}\binom{2n}{n}\frac{(-1)^{n-1}H_{n+1}}{4^n(n+1)}$
17
A logarithmic integral $\int^1_0 \frac{\log\left(\frac{1+x}{1-x}\right)}{x\sqrt{1-x^2}}\,dx$
17
The 3 Integral $\int_0^\infty {x\,{\rm d}x\over \sqrt[3]{\,\left(e^{3x}-1\right)^2\,}}=\frac{\pi}{3\sqrt 3}\big(\log 3-\frac{\pi}{3\sqrt 3} \big)$
16
Pie Integral $\int_0^1 \log\frac{(x+\sqrt{1-x^2})^2}{(x-\sqrt{1-x^2})^2} \frac{x\, dx}{1-x^2}=\frac{\pi^2}{2}.$
15
How do you integrate the reciprocal of square root of cosine?