Function or functionality may refer to:
Computing Function key, a type of key on computer keyboards Function model, a structured representation of processes in a system Function object or functor or functionoid, a concept of object-oriented programming Function (computer programming), a callable sequence of instructions Boolean function, used in hardware design
Music Function (music), a relationship of a chord to a tonal centre Function (musician) (born 1973), David Charles Sumner, American techno DJ and producer "Function" (song), a 2012 song by American rapper E-40 featuring YG, Iamsu! & Problem "Function", song by Dana Kletter from Boneyard Beach 1995
Other uses Function (biology), the effect of an activity or process Function (engineering), a specific action that a system can perform Function (language), a way of achieving an aim using language Function (mathematics), a relation that associates an input to a single output Function (sociology), an activity's role in society Functionality (chemistry), the presence of functional groups in a molecule Party or function, a social event Function Drinks, an American beverage company Function Health, an American health technology company
See also Function field (disambiguation) Function hall Functional (disambiguation) Functional group (disambiguation) Functionalism (disambiguation) Functor (disambiguation)