Functional may refer to: Movements in architecture: Functionalism (architecture) Form follows function Functional group, combination of atoms within molecules Medical conditions without currently visible organic basis: Functional symptom Functional disorder Functional classification for roads Functional organization Functional training

In mathematics Functional (mathematics), a term applied to certain scalar-valued functions in mathematics and computer science Minnesota functionals Functional analysis, a branch of mathematical analysis Linear functional, a type of functional often simply called a functional in the context of functional analysis Higher-order function, also called a functional, a function that takes other functions as arguments

In computer science, software engineering "Functional" (noun) may be used as a synonym for Higher-order function (C++), a header file in the C++ Standard Library Functional design, a paradigm used to simplify the design of hardware and software devices Functional model, a structured representation of functions, activities or processes in systems and software engineering Functional programming, a programming paradigm based on mathematical functions rather than changes in variable states In an ontology (information science), "functional" is a property or relation that can only hold a single value for a given individual

See also

Function (disambiguation) Functionalism (disambiguation) Functional group (disambiguation) Functional grammar (disambiguation)