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 Mar16 revised Does this qualify as a Laurent series? improved formatting Mar16 revised Confusion with a function being “onto” and 1-1 correspondence. added 259 characters in body Mar16 revised Find $n$ numbers which LCM is equal to $k$ added 306 characters in body Mar16 revised Show that $(x\in\mathopen]0,1\mathclose[\mapsto \frac{1}{1-ax})_{a\in\mathopen]0,1\mathclose[}$ is free improved formatting: I made open intervals look like open intervals. Mar10 revised Keep factoring and concatenating to get a prime? added 45 characters in body Mar7 revised Would you ever stop rolling the die? edited body Mar2 revised Proving that $\{u_k\}_{k=1}^\infty$, $u_k=\left\{1,\frac{1}{2},\frac{1}{3},\dots,\frac{1}{k},0,0,\dots\right\}$, does not converge in a metric space added 28 characters in body Mar2 revised Notation for difference of two dates You can see the code for placing the thingy below. If you like it, you can use it in the other occurences. Jan27 revised Is there a notation for being “a finite subset of”? added mathcal to P Jan27 revised Is there a notation for being “a finite subset of”? added 28 characters in body Aug22 revised Make $n$ cents with $1$-cent, $2$-cent, and $3$-cent coins improved MathJaX formatting Aug10 revised What is remainder when $5^6 - 3^6$ is divided by $2^3$ (method) improved formatting Aug1 revised Produce unique number given two integers added 130 characters in body Jun5 revised Prove $\sqrt6$ is irrational added 2 characters in body Mar31 revised How do I integrate $\frac{1}{x^6+1}$ added 495 characters in body Mar28 revised If $\mathbb Z_m\times\mathbb Z_n$ is cyclic, then it's generated by $(\mathrm{gen}(F),\mathrm{gen}(G))$ corrected mn.gcd to mn/gcd Mar2 revised How do I setup the lagrangian for this problem? added 818 characters in body Mar2 revised How do I setup the lagrangian for this problem? added 425 characters in body Feb26 revised Set of all $a\in\mathbb Z$ that are coprime to $b\in\mathbb Z$ added 24 characters in body Jan13 revised $X$ and $1 - X$ are identically distributed Seperated two math blocks by some text to incread readability.