Normal

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Normal may refer to:

People[edit]

Psychology and social sciences[edit]

Chemistry[edit]

Education and teaching[edit]

  • Normal school, a school created to train high school graduates to be teachers

Technology[edit]

  • Normal lens (photography), a lens of moderate focal length

Arts and entertainment[edit]

Mathematics[edit]

There is an extremely large number of unrelated notions of "normality" in mathematics. The following list is no doubt incomplete. See also the disambiguation pages for Normal form and Normalization.

Algebra and Number Theory[edit]

Analysis[edit]

  • Normal number, a real number with a "uniform" distribution of digits
  • Normal number (computing), a floating-point number within the balanced range supported by a given format (unrelated to the previous notion)
  • Normal operator, an operator that commutes with its Hermitian adjoint
    • Normal matrix, a complex square matrix that meets certain conditions
  • Normal modes of vibration in an oscillating system
  • Normal family, a pre-compact family of continuous functions

Geometry[edit]

Logic and Foundations[edit]

Mathematical Physics[edit]

Probability and Statistics[edit]

Topology[edit]

  • Normal space (or T_4) spaces, topological spaces characterized by separation of closed sets

Geography[edit]

Transport[edit]

  • Metro Normal, a rapid transit railway station in the Mexico City Metro system