Mathematics
Américo Tavares's user avatar
Américo Tavares's user avatar
Américo Tavares's user avatar
Américo Tavares
  • Member for 13 years, 1 month
  • Last seen this week
Profile Activity
Stats
38,332
reputation
5.1m
reached
580
answers
38
questions
Communities
View all
About

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

enter image description here

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

Badges
View all badges
13
gold badges
105
silver badges
243
bronze badges
Top tags
View all tags
1,341
Score
240
Posts
39
Posts %
704
Score
129
Posts
21
Posts %
582
Score
125
Posts
20
Posts %
468
Score
107
Posts
17
Posts %
344
Score
55
Posts
9
Posts %
273
Score
54
Posts
9
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
253
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
50
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
27
What is the purpose of this site?
12
Creating diagrams
11
When does a post become a Community Wiki post?
Top network posts
View all network posts
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?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.