Constant or The Constant may refer to:
Mathematics
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Constant (mathematics), a non-varying value
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Mathematical constant
A mathematical constant is a number whose value is fixed by an unambiguous definition, often referred to by a special symbol (e.g., an Letter (alphabet), alphabet letter), or by mathematicians' names to facilitate using it across multiple mathem ...
, a special number that arises naturally in mathematics, such as
or
Other concepts
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Control variable
A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout the course of the investigation. Control variables could strongly influence experimental ...
or scientific constant, in experimentation the unchanging or constant variable
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Physical constant, a physical quantity generally believed to be universal and unchanging
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Constant (computer programming)
In computer programming, a constant is a Value (computer science), value that is not altered by the Computer program, program during normal Execution (computing), execution. When associated with an Identifier (computer languages), identifier, a co ...
, a value that, unlike a variable, cannot be reassociated with a different value
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Logical constant
In logic, a logical constant or constant symbol of a language \mathcal is a symbol that has the same semantic value under every interpretation of \mathcal. Two important types of logical constants are logical connectives and quantifiers. The e ...
, a symbol in symbolic logic that has the same meaning in all models, such as the symbol "=" for "equals"
People
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Constant (given name)
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Constant (surname)
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John, Elector of Saxony (1468–1532), known as John the Constant
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Constant Nieuwenhuys (1920-2005), better known as Constant
Places
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Constant, Barbados, a populated place
Arts and entertainment
* "
The Constant", a 2008 episode of the television show ''Lost''
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''The Constant'' (Story of the Year album)
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''The Constant'' (I Blame Coco album)
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Constants (band), an American rock band
* "Constant pt.1 pt.2", song by Black Eyed Peas from ''
Masters of the Sun Vol. 1''
{{disambiguation