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Graphth earned this badge 13 times |
may 14 at 16:37
Can I use my powers for good?
apr 14 at 23:09
Books to study for Math GRE, self-study, have some time.
oct 9 at 19:31
Why is -10 smaller than -100?
aug 28 at 20:34
Math and mental fatigue
feb 27 '12 at 17:41
Why $ac=b^2$ forces $a,c$ to be squares if $a,c$ are coprime?
nov 9 '11 at 3:11
Why is $\int^\infty_{-\infty} \frac{x}{x^2+1} dx$ not zero?
oct 5 '11 at 19:29
Deleting any digit yields a prime… is there a name for this?
