Constant

Constant or The Constant may refer to:

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