# Category:Definitions/Real Functions

This category contains definitions related to Real Functions.
Related results can be found in Category:Real Functions.

A real function is a mapping or function whose domain and codomain are subsets of the set of real numbers $\R$.

It is frequently understood in many areas of mathematics that the domain and codomain of any function under discussion are of the set of set of real numbers so the adjective real is usually omitted unless it is an important point to stress.

## Subcategories

This category has only the following subcategory.