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Constant

Concept

Constant

A constant is a number, for example 15,15, -23,\text{-}\frac{2}{3}, and 11.327.11.327. In an algebraic expression, a constant is referred to as a constant term.

Expressions with constants

Certain constants occur often enough to be given their own symbols; one such constant is pi, which is represented by the Greek letter π.\pi.