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 8h asked How to generate complicated looking identities such as $\sqrt [3] {2 + \sqrt 5} - \sqrt [3] {2 - \sqrt 5}=1$ easily? 22h asked Does every integer occur finitely many times and in what positions in Pascal's triangle? Feb24 asked Cases for Fermat like equations $a_1^{n_1}+a_2^{n_2}+\cdots+a_m^{n_m}=z^c$ Feb9 answered Is there a geometric interpretation of the product integral? Jan28 asked Integral $\int_{0}^{\infty}\frac1{\sqrt[\alpha]{1+x^\beta}}dx$ Jan28 asked Is $\lim na_n \to 0$ sufficient for $\sum a_n$ to converge? Jan20 asked What is a better comparision series for $\sum \frac {1}{F_n}$ than $\sum_0^\infty2^{-k}$? Jan13 asked How often is $1+\prod_{k=1}^n p_k$ not prime? Jan12 asked inequality $10<2^{2^{\frac {3}{\log_2 \log_2 10}}}$ Jan8 answered Convergence of $\sum_{n=1}^\infty \exp( \frac{a \ln n + b}{c \ln n + d})$ Jan6 asked What is the next composite number? Jan3 asked Limit $\lim_{k\to\infty}\prod_{m=2^k}^{m=2^{k+1}} {\frac{2m}{2m-1}}$ Dec31 answered A question regarding a double series. Dec28 asked What are solutions to $2^x=x$? Dec20 asked Why $\int_0^{\infty} du \, \frac{e^{-3 u} - e^{-4 u}}{u} = \int_0^{\infty} du \, \int_3^4 dt \, e^{-u t} \\$? Oct22 answered Sum of $1+2+4+8+…$ Oct8 asked Limit $\lim_{x\to\infty} \frac {a_nx^n+a_{n-1}x^{n-1}+\cdots+a_0}{{b_nx^n+b_{n-1}x^{n-1}+\cdots+b_0}}$ Mar17 asked For which $\alpha$ does the series $\sum_{n = 1}^{\infty}\big(2^{n^{-\alpha}}\!\! - \!1\big)$ converge? Mar17 asked Largest possible 2D combination not containing 2 common rectangles Mar9 answered Determining total number of tickets sold