Delta (letter) - Upper Case

Upper Case

The upper-case letter Δ can be used to denote

  • Change of any variable quantity, in mathematics and the sciences (More specifically, the difference operator); for example, in
, the average change of y per unit x, i.e. the change of y over the change of x
  • The Laplace operator:
  • The discriminant of a polynomial equation, especially the quadratic equation:
  • A macroscopic change in the value of a variable in mathematics or science
  • Uncertainty in a physical variable as seen in for instance the uncertainty principle
  • An interval of possible values for a given quantity for instance across a sample
  • Any of the delta particles in particle physics
  • The determinant of the matrix of coefficients of a set of linear equations (see Cramer's Rule)
  • That an associated locant number represents the location of a covalent bond in an organic compound, the position of which is variant between isomeric forms
  • In chemistry, it is often used to represent the addition of heat in a reaction.
  • In legal shorthand, it represents a defendant
  • In the financial markets, it is one of the Greeks that describes the rate of change of an option price for a given change in the underlying benchmark
  • It is the symbol of the Greek inventor and architect Daedalus
  • Signifies a major seventh chord in jazz music notation.
  • In genetics, it can stand for a gene deletion, e.g. the CCR5-Δ32 a deletion of the CCR5 at the 32nd base pair segment
  • The American Dental Association cites it (together with omicron for "odont") as the symbol of dentistry.

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Famous quotes containing the words case and/or upper:

    Pardon me, you are not engaged to any one. When you do become engaged to some one, I, or your father, should his health permit him, will inform you of the fact. An engagement should come on a young girl as a surprise, pleasant or unpleasant, as the case may be. It is hardly a matter that she could be allowed to arrange for herself.
    Oscar Wilde (1854–1900)

    You doubt we read the stars on high,
    Nathless we read your fortunes true;
    The stars may hide in the upper sky,
    But without glass we fathom you.
    Ralph Waldo Emerson (1803–1882)