No installation, real-time collaboration, version control, hundreds of LaTeX Here's how to type some common math braces and parentheses in LaTeX.

The usual thing to do is replace (with \left(and) with \right), which automatically expand to fit the material between them. Note that every \left requires a \right.

For parentheses and brackets, you can write [math]1^\text{st}[/math] Bracket: [ math]\LaTeX[/math] code: [code ]\left(\frac{x}{y} \right)[/code] Output: [math]\left.

a big brace on the left and a "column" with several equations and on the right, one number for each equation, automatically added by the.

You can try the cases env in amsmath. \documentclass{article} \usepackage{ amsmath} \begin{document} \begin{equation} f(x)=\begin{cases} 1, & \text{if $x<0 $}.