Functional

Encyclopedia : F : FU : FUN : Functional

Generally, functional refers to something able to fulfill its purpose or function.

Functional (mathematics) is a term applied to functions in mathematics, computer science, and Lagrangian mechanics.
Functional (ontology) refers to a property or relation in an ontology that can only hold a single value for a given individual.
Functional programming is used in computer science as well.
Functional form and functionalism (architecture) apply to architectural design.
Functional symptom is sometimes used in medicine to describe symptoms that have no current visible organic basis, e.g. if they are a result of psychological or perceptual dysfunction. Historically functional symptoms tend to be reclassified as organic as investigative techniques improve.
Diatonic functionality describes a music term.

See also