Functional
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Functional".

Look up functional in Wiktionary, the free dictionary.

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

• Functional form and functionalism (architecture) apply to architectural design.
• Functional (mathematics) is a term applied to certain scalar-valued 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 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.
• Functional group in organic chemistry (for example, "This compound has two carbonyl functions").
• Functional classification is a term used in the United States for class of road.

See also

• Function (disambiguation)
• Functionalism
• Functional group (disambiguation)

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