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coffeemath

I teach math at St. John Fisher College in Rochester.

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  • Last seen Aug 18 '17 at 7:10

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44 Does $0 < x < 0$ imply $x =0$? Mar 3 '16
42 How to determine the arc length of ellipse? Jun 30 '13
33 Groups with “few” subgroups Apr 23 '15
16 Is there a maximum value between open $(0,1)$ set? Jan 22 '15
15 How prove for any $k$ then have $a^2_{1}+a^2_{2}+a^2_{3}+\cdots+a^2_{k}=m^3$ Mar 1 '14
15 $f(x)=1/q$ for $x=p/q$ is integrable Aug 30 '13
14 Cover a disk with thin rectangles Nov 5 '12
14 Drawing by lifting pencil from paper can still beget continuous function. Jan 27 '13
12 how to find integer solutions for $axy +bx + cy =d$? Nov 22 '12
11 Is there a bijective function $f: \mathbb{R}\to\mathbb{R}$ that is discontinuous? May 11 '16
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