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Mathematics
Américo Tavares's user avatar
Américo Tavares's user avatar
Américo Tavares's user avatar
Américo Tavares
  • Member for 12 years, 10 months
  • Last seen this week
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About

I am a retired Portuguese electrical engineer. Find out more on my blog, Problemas e Teoremas. Some contributions to MSE (pdf, July 2020)

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profile for Américo Tavares on Stack Exchange, a network of free, community-driven Q&A sites

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All Questions Answers
Score Newest
answer
250
The Basel problem
Oct 30, 2010
answer
80
What is the Jacobian matrix?
Dec 20, 2010
answer
70
Nice proofs of $\zeta(4) = \frac{\pi^4}{90}$?
Mar 21, 2011
question
59
What is the importance of Calculus in today's Mathematics?
Aug 17, 2011
answer
51
What is the result of $\infty - \infty$?
Aug 30, 2011
question
49
Is $\sqrt[3]{p+q\sqrt{3}}+\sqrt[3]{p-q\sqrt{3}}=n$, $(p,q,n)\in\mathbb{N} ^3$ solvable?
Apr 27, 2013
answer
46
Evaluation of Gaussian integral $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx$
Nov 7, 2010
answer
45
Is there a general formula for solving Quartic (Degree $4$) equations?
Aug 15, 2011
question
45
What does closed form solution usually mean?
Nov 6, 2010
answer
38
Teenager solves Newton dynamics problem - where is the paper?
Jun 7, 2012
Top Meta posts
16
23
126
MathJax basic tutorial and quick reference
122
MathJax basic tutorial and quick reference
28
What is the purpose of this site?
12
Creating diagrams
11
When does a post become a Community Wiki post?
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30
Do foreign acronyms take a definite article, and of which gender?
27
How to draw the calculation of a determinant?
26
O que é e como se pronuncia "fixe"?
25
How to create posters using LaTeX
24
How to draw these (closed contours) diagrams using TikZ or PSTricks?

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