LaTeX suported? Inline $\sum_1^nn = \frac{1}{2}n(n+1)$ equation looks wierd, but display style $\displaystyle\sum_1^nn = \frac{1}{2}n(n+1)$ looks good. Block equation looks good too. $$ \sum_1^nn = \frac{1}{2}n(n+1) $$