\*
\cdots
\ddots
\frac{num}{den}
num
divided by den
.
\left
delim1 ... \right
delim2\left( \sum_i=1^10 a_i \right]
.
\overbrace{
text}
\overline{
text}
\sqrt[
root]{arg}
x+y
would be typed as
$\sqrt[3]{x+y}$
.
\stackrel{
text}{
relation}
\stackrel{f}{\longrightarrow}
.
\underbrace{math}
\underline{text}
\vdots