From en.wikipedia.org:
[Broad-concept article][constant] CONSTANT or THE CONSTANT may refer to:
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** Mathematics
- Constant (mathematics) , a non-varying value
- Mathematical constant , a special number that arises naturally in mathematics, such as [pi] or [e]
** Other concepts
- Control variable or scientific constant, in experimentation the unchanging or constant variable
- Physical constant , a physical quantity generally believed to be universal and unchanging
- Constant (computer programming) , a value that, unlike a variable, cannot be reassociated with a different value
- Logical constant , a symbol in symbolic logic that has the same meaning in all models, such as the symbol "=" for "equals"
** People
- Constant (given name)
- Constant (surname)
- John, Elector of Saxony (1468–1532), known as John the Constant
- Constant Nieuwenhuys (1920-2005), better known as Constant
** Places
- Constant, Barbados , a populated place
** Arts and entertainment
- "The Constant ", a 2008 episode of the television show _Lost_
- _The Constant_ (Story of the Year album)
- _The Constant_ (I Blame Coco album)
- Constants (band) , an American rock band
- "Constant pt.1 pt.2", song by Black Eyed Peas from _Masters of the Sun Vol. 1_
[disambiguation]