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 Apr13 answered Calculate $\int_\Gamma ze^{z}dz$ where $\Gamma$ is line from point $z_1=0$ to point $z_2=\frac{\pi i}{2}$ Apr4 asked Solving $z=w/2-\sin(tw)/(2t)$ for $w$ Mar30 asked Question on branches and $\iff$. Mar30 answered $(\delta,\varepsilon)$ Proof of Limit Mar26 asked What does $O\left(\frac{1}{\log\log T}\right)$ mean? Mar17 asked On norms for “more complicated objects” Mar11 asked Is there a name for an object with both position and velocity? Feb23 answered Riemann Zeta Function and Including Complex Numbers Feb19 asked What is known about the complex solutions to $\zeta(s)=-1$? Jan24 answered The meaning of dot centered vertically, as in $3\cdot 5$ Jan20 answered Closed form for $\prod_{k=1}^n (a+k^2)$ Jan18 asked Is there a name for functions “opposite in nature” to orthogonal functions? Jan17 asked Examples of orthogonal/orthonormal functions which are not finite degree polynomials? Jan7 answered How to calculate $\int_0^1 \frac{(1+x)^{2r-1}}{1+x^2}dx$? Dec20 asked Could “$\infty$” be understood by taking the reciprocals of the Hyperreal numbers? Nov20 answered Finding the roots of $x^2+(3+5i)x+(7+11i)=0$ Nov10 asked Is the derivative of $\{x\}$ on $(0,1)$ always equal to $1$? Nov9 answered Finding a limit using L'Hospital's rule Oct24 asked Nature of the range of $e^x$ Oct20 asked Specific form of differential equation