Mike Jones
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 Apr 3 comment Concrete examples of abstract algebra delivering simple solutions to hard problems It seems to me that there ought to be a lot more answers to this question. Apr 2 awarded Necromancer Mar 9 comment Why is $1 - \frac{1}{1 - \frac{1}{1 - \ldots}}$ not real? “how the the imaginary unit, i.e. the square root of −1−1 is involved” - FWIW, remember that, via the closed form formula for the solution of the general cubic equation, non-real numbers may be encountered, even though the roots are real. Mar 8 comment If squaring a number means multiplying that number with itself then shouldn't taking square root of a number mean to divide a number by itself? comment I'm adding for tracking / lookup purposes: examples of a disconnect between ordinary language and technical language. Mar 8 revised If squaring a number means multiplying that number with itself then shouldn't taking square root of a number mean to divide a number by itself? added disconnect comment re gcd Mar 7 comment In calculus, which questions can the naive ask that the learned cannot answer? @user4894: Action-at-a-distance doesn’t seem cranky? Mar 4 comment In calculus, which questions can the naive ask that the learned cannot answer? Actually, we do know: neither space nor time is a continuum. See the work of Dewey B. Larson for elucidation on this: enciklopedia-vortaro-de-la-merk-angla.weebly.com/… Mar 3 answered Can squares be replaced by cycloids in the Pythagorean Theorem? Feb 28 comment Do there exist any visual representations of prime factorizations? @Charles: Thanks for the laugh! Feb 17 answered Easy way to compute logarithms without a calculator? Feb 9 comment Determine the number of integer solutions for $x_1+x_2+x_3+x_4+x_5 < 40$ Cool! I simply didn't know about that feature / technique. Feb 7 comment Determine the number of integer solutions for $x_1+x_2+x_3+x_4+x_5 < 40$ What happened to the displays? Feb 5 comment Country ranking by combination of factors "The Age of Nations is past. The task before us now, if we would not perish, is to build the Earth." -- Teilhard de Chardin Feb 3 comment What do you suggest I do to prepare? Thanks In advance! Here is yet another link that might be helpful: math.stackexchange.com/questions/1077757/… Feb 3 comment What do you suggest I do to prepare? Thanks In advance! Here is yet another link that might be helpful: math.stackexchange.com/questions/63504/… Feb 3 comment What do you suggest I do to prepare? Thanks In advance! Here is yet another link that might be helpful: math.stackexchange.com/questions/913416/… Feb 3 comment What do you suggest I do to prepare? Thanks In advance! Here is yet another link that might be helpful: math.stackexchange.com/questions/456430/… Feb 3 comment What do you suggest I do to prepare? Thanks In advance! This link might also be of some help: math.stackexchange.com/questions/51941/i-want-to-learn-math Feb 3 comment What do you suggest I do to prepare? Thanks In advance! “avoid formalism and axiomatics” - You sound like Vladimir Arnold:) Feb 3 comment What do you suggest I do to prepare? Thanks In advance! I have created some online student exercise tasks, many of which concern mathematics. The tasks are freely accessible, with no sign-in required, and are ad-free. Here is the address: public-domain-materials.com/…