Look up constant in Wiktionary, the free dictionary.

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 π 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