• Diatonic function
  Diatonic function
  In tonal music theory, a diatonic function is the specific, recognized role of each of the 7 notes and their chords in relation to the diatonic key...
  
  , a term in music theory
• Function (biology)
  Function (biology)
  A function is part of an answer to a question about why some object or process occurred in a system that evolved through a process of selection. Thus, function refers forward from the object or process, along some chain of causation, to the goal or success...
  
  , explaining why a feature survived selection
• Function (computer science), or subroutine, a portion of code within a larger program, performs a specific task
• Function (engineering)
  Function (engineering)
  In engineering, a function is interpreted as a specific process, action or task that a system is able to perform .-In engineering design:In the lifecycle of engineering projects, there are usually distinguished subsequently: Requirements and Functional specification documents. The Requirements...
  
  , related to the selected property of a system
• Function (language), in linguistics, a way of achieving an aim using language
• Function (mathematics)
  Function (mathematics)
  In mathematics, a function associates one quantity, the argument of the function, also known as the input, with another quantity, the value of the function, also known as the output. A function assigns exactly one output to each input. The argument and the value may be real numbers, but they can...
  
  , an abstract entity that associates an input to a corresponding output according to some rule
• Function model
  Function model
  A function model or functional model in systems engineering and software engineering is a structured representation of the functions within the modeled system or subject area....
  
  , a structured representation of the functions, activities or processes
• Function object
  Function object
  A function object, also called a functor, functional, or functionoid, is a computer programming construct allowing an object to be invoked or called as though it were an ordinary function, usually with the same syntax.-Description:...
  
  , or functor or functionoid, a concept of object-oriented programming
• Function Drinks
  Function Drinks
  Function Drinks is a Functional Beverage company based in Los Angeles, California. The company was founded in 2004 by spine surgeon , along with Josh Simon and Dayton Miller. The team launched their first product, Urban Detox, in Southern California in 2005....
  
  , a beverage company based in Redondo Beach, California.
• A formal event such as a party
  Party
  A party is a gathering of people who have been invited by a host for the purposes of socializing, conversation, or recreation. A party will typically feature food and beverages, and often music and dancing as well....
  
   or meeting
  Meeting
  In a meeting, two or more people come together to discuss one or more topics, often in a formal setting.- Definitions :An act or process of coming together as an assembly for a common purpose....
  
  

See also

• Function hall
  Function hall
  A function hall or banquet hall is a room or building for the purpose of hosting a party, banquet, reception, or other social event.Function halls are often found within pubs, clubs, hotels, or restaurants. Some are run by fraternal organizations and rented out as a fundraiser for the organization...
  
  
• Functional (disambiguation)
• Functionalism (disambiguation)
• Functor
  Functor
  In category theory, a branch of mathematics, a functor is a special type of mapping between categories. Functors can be thought of as homomorphisms between categories, or morphisms when in the category of small categories....