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See also: and Δ

U+2206, ∆
INCREMENT

Mathematical Operators

Translingual

Etymology

From the Ancient Greek capital letter Δ.

Symbol

  1. (mathematics) An increment or change in a variable.
    x   the change in variable x
  2. (set theory) The symmetric difference symbol.
  3. (mathematics, physics) The Laplace operator.
    Synonym: ∇²

Usage notes

  • Although this is the official encoding for the mathematical character, most math publications that apply Unicode (LaTeX publications rarely use Unicode) use simply the Greek letter Δ for convenience.

Synonyms