$ \widehat{p}\dagger x_{1}^\prime\bar{x}\bullet $
$ \alpha\beta\delta\gamma\mu\pi\sigma\theta\omega $
$ A B\Delta\Gamma M\Pi\Sigma\Theta\Omega $
$ \sqrt[4]{x}^2 = \sqrt{x} $
$ x = \frac{ -b\pm\sqrt{b^2-4ac} }{ 2a } $
$ x = \mbox{\LARGE $\frac{ -b\pm\sqrt{b^2-4ac} }{ 2a }$} $
$ Pr(\mbox{\small X=k})={n\choose k}p^k(1-p)^{n-k} $