Variable may refer to:

  • Variable (research), a logical set of attributes
  • Variable (mathematics), a symbol that represents a quantity in a mathematical expression, as used in many sciences
  • Variable (computer science), a symbolic name associated with a value and whose associated value may be changed
  • Variable star, a type of star (as in astronomical object)
  • Dependent and independent variables in statistics

Famous quotes containing the word variable:

    There is not so variable a thing in nature as a lady’s head-dress.
    Joseph Addison (1672–1719)

    Walked forth to ease my pain
    Along the shore of silver streaming Thames,
    Whose rutty bank, the which his river hems,
    Was painted all with variable flowers,
    Edmund Spenser (1552?–1599)