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Just a person that also likes helping people when I can.

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40 Are infinitesimals equal to zero? Aug 17 '16
40 Is the limit of $f(n) = n-n$ zero as $n\rightarrow \infty$? Dec 17 '16
40 Why does the discriminant tell us how many zeroes a quadratic equation has? Jan 31 '17
33 How does $\arctan(0)$ equal $\pi?$ Dec 27 '16
29 Derivative of $f(x)=e^7+\ln(4)$. Feb 20 '17
23 Is this question too easy or am I getting it wrong? Jun 11 '14
23 Can rational numbers have decimals? Sep 8 '14
23 Can you cancel out a term if equal to zero? Oct 21 '14
16 Is it OK to evaluate improper integrals this way? Dec 16 '14
14 Square root's inequality Apr 13 '15
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