Not implemented. Or at least, not with the bbcode tag I used.

[tex]\begin{gathered}\begin{alignedat}{2}\int_{-\infty}^{+\infty}\frac{1}{\sqrt{2\pi\sigma^{2}}}e^{-\frac{\left(x-\mu\right)^{2}}{2\sigma^{2}}}d x=&1\qquad&

\int_{-\infty}^{+\infty}\frac{x}{\sqrt{2\pi\sigma^{2}}}e^{-\frac{\left(x-\mu\right)^{2}}{2\sigma^{2}}}d x=&\mu\\

\int_{-\infty}^{+\infty}\frac{x^{2}}{\sqrt{2\pi\sigma^{2}}}e^{-\frac{\left(x-\mu\right)^{2}}{2\sigma^{2}}}d x=&\mu^{2}+\sigma^{2}\qquad&\int_{-\infty}^{+\infty}\frac{x^{3}}{\sqrt{2\pi\sigma^{2}}}e^{-\frac{\left(x-\mu\right)^{2}}{2\sigma^{2}}}d x=&3\sigma^{2}\mu+\mu^{3}\end{alignedat}\\

\int_{-\infty}^{+\infty}\frac{x^{4}}{\sqrt{2\pi\sigma^{2}}}e^{-\frac{\left(x-\mu\right)^{2}}{2\sigma^{2}}}d x=3\sigma^{4}+6\sigma^{2}\mu^{2}+\mu^{4}\end{gathered}[/tex]