# Left Square Bracket Symbol

[
Symbol Format Data
[ Code Point
U+005B
TeX
[
SVG

## Usage

The left square bracket symbol is used in mathematics to group the contents of a matrix together. It is also used in computing to represent the start of an array. For example, the left square bracket is used in the expression below to represent the start of the matrix.

In combination with the right square bracket, the two brackets group the contents of the matrix together.

## Related

The right square bracket symbol is used in math to delineate the end of a matrix.

The left parenthesis symbol is used to mark the start of an expression, or in the case of a function, a list of expressions.

The right parenthesis is used to mark the end of a group.

Left curly brace symbol.

Right curly brace.