Input	Chrome	Firefox	Safari
Basic
5 + 5 = 10
Colors
\fcolorbox{red}{blue}{\textcolor{white}{a + b = c}}
Complex Array
\begin{array}{||c|c::c|c||} A & B & C & D \\ \hdashline 1 & 2 & 3 & 4 \\ \hline 5 & 6 & 7 & 8 \\ 9 & 10 & 11 & 12 \end{array}
Negations
\not\smallint a + b {5\not +} b \not + a \not\sum_{i=0}^n i = n (n + 1) / 2 \not f (x) + \not g ( \not x)