TheInfoList

Operation or Operations may refer to:

# Science and technology

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Surgical operation Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical or dental specialty that uses operative manual and instrumental techniques on a person to investigate or tre ...
or surgery, in medicine *
Operation (mathematics) In mathematics, an operation is a function which takes zero or more input values (called ''operands'') to a well-defined output value. The number of operands is the arity of the operation. The most commonly studied operations are binary operation ...
, a calculation from zero or more input values (called operands) to an output value **
Arity Arity () is the number of arguments or operands taken by a function or operation in logic, mathematics, and computer science. In mathematics, arity may also be named ''rank'', but this word can have many other meanings in mathematics. In logic and ...
, number of arguments or operands that the function takes **
Binary operation In mathematics, a binary operation or dyadic operation is a calculation that combines two elements (called operands) to produce another element. More formally, a binary operation is an operation of arity two. More specifically, a binary operatio ...
, calculation that combines two elements of the set to produce another element of the set **
Graph operationsGraph operations produce new graphs from initial ones. They may be separated into the following major categories. Unary operations Unary operations create a new graph from a single initial graph. Elementary operations Elementary operations or editi ...
, produce new graphs from initial ones **
Modulo operation In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another (called the ''modulus'' of the operation). Given two positive numbers and , modulo (abbreviated as ) is the remain ...
, operation finds the remainder after division of one number by another **
Operations research#REDIRECT Operations research {{Redirect category shell, 1= {{R from other capitalisation ...
, in British usage, application of advanced analytical methods to make better decisions **
Unary operation In mathematics, a unary operation is an operation with only one operand, i.e. a single input. This is in contrast to binary operations, which use two operands. An example is the function , where ''A'' is a set. The function ''f'' is a unary operat ...
, an operation with only one operand *
Information technology operationsData center management is the collection of tasks performed by those responsible for managing ongoing operation of a data center This includes ''Business service management'' and planning for the future. Historically, ''data center management'' was ...
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Rail transport operations Rail or rails may refer to: Rail transport *Rail transport and related matters *Rail (rail transport) or railway lines, the running surface of a railway Film *''Rails'' (film), a 1929 Italian film by Mario Camerini *''Rail'' (1967 film), a film ...
, the control of a rail system *
Scientific operation Science (from the Latin word ''scientia'', meaning "knowledge") is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe."... modern science is a discovery as w ...
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Unit operation400px, An ore extraction process broken into its constituent unit operations (Quincy Mine, Hancock, MI ca. 1900)">Hancock,_MI.html" style="text-decoration: none;"class="mw-redirect" title="Quincy Mine, Hancock, MI">Quincy Mine, Hancock, MI ca. 1 ...
, a basic step in a chemical engineering process *
Inference Inferences are steps in reasoning, moving from premises to logical consequences; etymologically, the word ''infer'' means to "carry forward". Inference is theoretically traditionally divided into deduction and induction, a distinction that in Eur ...
, a step in reasoning

# Arts, entertainment and media

* ''Operation'' (game), a battery-operated board game that challenges dexterity *
Operation (music) upright=1.5, Set 3-1 has three possible rotations/inversions, the normal form of which is the smallest pie or most compact form Musical set theory provides concepts for categorizing musical objects and describing their relationships. Howard Hanson ...
, a term used in musical set theory * ''Operations'' (magazine), Multi-Man Publishing's house organ for articles and discussion about its wargaming products * ''The Operation'' (film), a 1973 British television film * ''The Operation'' (1990), a crime, drama, TV movie starring
Joe Penny Joseph Edward Penny Jr. (born 24 June 1956) is an English-born American actor best known for his roles as Nick Ryder on the detective series ''Riptide'' from 1984 to 1986, and as Jake Styles in the CBS television series ''Jake and the Fatman'' fr ...
, Lisa Hartman, and Jason Beghe * ''The Operation'' (1992–1998), a reality television series from TLC * The Operation M.D., formerly The Operation, a Canadian garage rock band

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Business operations The outcome of business operations is the ''harvesting'' of value from assets owned by a business. Assets can be either ''physical'' or ''intangible''. An example of value derived from a physical asset, like a building, is rent. An example of valu ...
, the harvesting of value from assets owned by a business *
Manufacturing operations Manufacturing operations concern the operation of a facility, as opposed to maintenance, supply and distribution, health, and safety, emergency response, human resources, security, information technology and other infrastructural support organizatio ...
, operation of a facility *
Operations management Operations management is an area of management concerned with designing and controlling the process of production and redesigning business operations in the production of goods or services. It involves the responsibility of ensuring that business o ...
, an area of management concerned with designing and controlling the process of production

# Military and law enforcement

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Military operation A military operation is the coordinated military actions of a state, or a non-state actor, in response to a developing situation. These actions are designed as a military plan to resolve the situation in the state or actor's favor. Operations may b ...
, a military action (usually in a military campaign) using deployed forces **
Black operation A black operation or black op is a covert or clandestine operation by a government agency, a military unit or a paramilitary organization; it can include activities by private companies or groups. Key features of a black operation are that it is ...
, or "Black op", an operation that may be outside of standard military protocol or against the law **
Clandestine operation A clandestine operation is an intelligence or military operation carried out in such a way that the operation goes unnoticed by the general population or specific enemy forces. Until the 1970s, clandestine operations were primarily political in n ...
, an intelligence or military operation carried out so that the operation goes unnoticed **
Combined operations#REDIRECT Combined operations#REDIRECT Combined operations {{R from other capitalisation ...
{{R from other capitalisation ...
, operations by forces of two or more allied nations **
Covert operation A covert operation is a military operation intended to conceal the identity of (or allow plausible denial by) the operation. Covert operations should not be confused with clandestine operations, which are performed in secret. Covert operations a ...
, an operation which conceals the identity of the sponsor **
Special operations Special operations (S.O.) are military activities conducted by "specially designated, organized, selected, trained, and equipped forces using unconventional techniques and modes of employment," according to NATO. Special operations may include re ...
, military operations that are unconventional *
Operations (J3) The Operations (J3) directorate is the Continental Staff System branch of the U.S. DOD Joint Staff responsible for military operations. It is the third level of the US National Level Command Structure, primarily assists the Chairman of the Joint C ...
, third level of Nation Level Command Structure *
Operations (military staff) Military operations is a concept and application of military science that involves planning the operations for the projected maneuvering forces' provisions, services, training, and administrative functions—to allow them to commence, insert, then ...
, staff involved in planning operations *
Sting operation In law enforcement, a sting operation is a deceptive operation designed to catch a person committing a crime. A typical sting will have an undercover law enforcement officer, detective, or co-operative member of the public play a role as criminal ...
, an operation designed to catch a person committing a crime, by means of deception

# Other uses

* Operation, a word which represents a
grammatical relation In linguistics, grammatical relations (also called grammatical functions, grammatical roles, or syntactic functions) are functional relationships between constituents in a clause. The standard examples of grammatical functions from traditional gram ...
(i.e., function) or instruction, rather than a term or name * Anomalous operation, in parapsychology, a term describing a broad category of purported paranormal effects *
Operation of law The phrase "by operation of law" is a legal term that indicates that a right or liability has been created for a party, irrespective of the intent of that party, because it is dictated by existing legal principles. For example, if a person dies with ...
, a legal term that indicates that a right or liability has been created for a party

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Operations support system Operations Support Systems (OSS), Operational Support Systems in British usage, or Operation System (OpS) in NTT, are computer systems used by telecommunications service providers to manage their networks (e.g., telephone networks). They support ma ...
, used in the telecommunications industry *
Operations room NASA's "Shuttle" (White) Flight Control Room in Houston, Texas A control room or operations room is a room serving as a central space where a large physical facility or physically dispersed service can be monitored and controlled. A control room ...
, the tactical center providing processed information for command and control of an area of operations *
List of military operations This is a list of missions, operations, and projects. Missions in support of other missions are not listed independently. World War I ''See also List of military engagements of World War I'' *''Albion'' (1917) — German capture of Oesel, ...
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OP (disambiguation)#REDIRECT OP {{redirect category shell, {{R from other capitalisation{{R from ambiguous page ...
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Operative (disambiguation) Operative may refer to: * Operative Media, an advertising company, founded 2000 * ''The Operative'' (film), a 2019 thriller film * The Operative (Firefly), a character from the ''Firefly'' media franchise * ''The Operative: No One Lives Forever'', ...
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Operator (disambiguation) Operator may refer to: Mathematics * A symbol indicating a mathematical operation * Logical operator or logical connective in mathematical logic * Operator (mathematics), mapping that acts on elements of a space to produce elements of another spa ...
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