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Mathematics
John Joy's user avatar
John Joy's user avatar
John Joy's user avatar
John Joy
  • Member for 10 years, 3 months
  • Last seen this week
  • Hamilton, ON
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I'm interested in studying those first Eurika moments that students have on their journey toward excelling at the mathematical arts. Learning about those moments could potentially allow teachers to strip away what is conventional, but doesn't really work, and to preserve what does work, while introducing new innovations.

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57
How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?
Sep 7, 2014
50
How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?
Dec 11, 2014
27
How do I determine if the following function is periodic?
Nov 3, 2014
22
Find all integer solutions for the equation $|5x^2 - y^2| = 4$
Apr 6, 2014
19
Inequality with (1-x) as denominator
Apr 22, 2015
16
How to make a "function"?
Jan 30, 2015
15
Why does cross product give a vector which is perpendicular to a plane
Apr 18, 2014
14
Show that: $\sinh^{-1}(x) = \ln(x + \sqrt{x^2 +1 } )$
Apr 26, 2015
11
which is larger: $\sin(4^\circ)$ or $2\sin(2^\circ)$?
Dec 29, 2019
9
How is $x \leq x^2$ false?
Jul 31, 2015