∂
Symbol  Format  Data 

∂  Code Point 
U+2202 
TeX 
\partial 

SVG 
The partial symbol is used in calculus to represent a partial differential. The symbols replaces the latin small letter d when referencing partial differentials in multivariable calculus. Typically, the symbol is used in an expression like this:
In plain language, this expression represents the derivative of the function with respect to the variable .
The Latin letter d.
The derivative is one of the main operators in calculus.