Value (mathematics)

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In mathematics, value may refer to several related notions:

  • The value of a variable or a constant is any number or other mathematical object assigned to it.
  • The value of a mathematical expression is the result of the computation described by this expression when the variables and constants in it are replaced by some numbers.
  • The value of a function is the number implied by the function as a result of a particular number being assigned to its argument (also called the variable of the function).

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