You can now include LaTeX math in the wiki, courtesy of the JsMath cookbook.
10^5 + e_2 + \sqrt{n} + \frac{a}{b}
{\cal X} {\mathbb A} = \sum_{i=1}^n {\left\{\frac{-\beta\pm\sqrt{\left[b^{\left(\frac{-b\pm\sqrt{b^2-4 a c}}{2a}\right)}\right] -4 \alpha \gamma}}{2a}\right\}}
x^3
\int_i^k x^2
\sum_{i=0}^k x^2
\mathcal N
\mathrm{corr}(X,Y)= \frac{\displaystyle \sum_{i=1}^n(x_i-\overline x)(y_i-\overline y)} {\displaystyle\biggl[\sum_{i=1}^n(x_i-\overline x)^2 \sum_{i=1}^n(y_i-\overline y)^2\biggr]^{1/2}}
\mathrm{corr}(X) = \frac{1}{(2\pi)^{N/2}}
f_X(x_1...x_N) = \frac {1}{(2\pi)^{N/2} {\left| \Sigma \right|} ^{1/2}} \exp \left(-\frac{1}{2}(x -\mu)^t \Sigma^{-1} (x-\mu) \right)
\begin{eqnarray} f & = & g \\ & = & h + i \\ & & +j \end{eqnarray}
Here is x some x^2 text x^i_j and x^{h^3}_{e_f} some |x\rangle more.