# Apostrophe Symbol

The apostrophe symbol is used in math to denote the derivative function. Typically the symbol is used in an expression like: . In plain language, this represents the derivative of the function .

Symbol Format Data
' Unicode
39

TeX
'
SVG

### Usage

Derivative | Notation

The first derivative of a function is denoted by a apostrophe after the function name. Alternatively the partial symbol can be used to represent the derivative with respect to a variable.