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 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 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 (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