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 

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.