Constant or The Constant may refer to:
Mathematics
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Constant (mathematics)
In mathematics, the word constant conveys multiple meanings. As an adjective, it refers to non-variance (i.e. unchanging with respect to some other value); as a noun, it has two different meanings:
* A fixed and well-defined number or other non ...
, a non-varying value
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Mathematical constant
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. Cons ...
, 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 experimenta ...
or scientific constant, in experimentation the unchanging or constant variable
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Physical constant
A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that is generally believed to be both universal in nature and have constant value in time. It is contrasted with a mathematical constant, ...
, a physical quantity generally believed to be universal and unchanging
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Constant (computer programming), a value that, unlike a variable, cannot be reassociated with a different value
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Logical constant, 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
Johann (30 June 146816 August 1532), known as Johann the Steadfast or Johann the Constant (''Johann, der Beständige''), was Elector of Saxony from 1525 until 1532 from the House of Wettin.
He is notable for organising the Lutheran Church in the ...
(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
{{disambiguation