Others

Theories

Theory	Equation	Where
Expected values	$E(X) = \displaystyle \sum_{i=1}^{n} x_i . p_i$
Taylor series	$\displaystyle \sum_{n=0}^{\infty} \frac{f^{(n)}(a)}{n!} (x-a)^n$	$a$ is real or complex number. $f^{(n)}(a)$ is $n$-th derivative of $f$ evaluated at the point $a$.