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From Wikipedia, the free encyclopedia

Scalar may refer to:

  • Scalar (mathematics), an element of a field, which is used to define a vector space, usually the field of real numbers
  • Scalar (physics), a physical quantity that can be described by a single element of a number field such as a real number
    • Lorentz scalar, a quantity in the theory of relativity which is invariant under a Lorentz transformation
    • Pseudoscalar, a quantity that behaves like a scalar, except that it changes sign under a parity inversion
  • Scalar (computing), any non-composite value
  • Scalar boson, in physics, a boson subatomic particle whose spin equals zero

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