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See also: Δ [U+0394 GREEK CAPITAL LETTER DELTA] and [U+25B3 WHITE UP-POINTING TRIANGLE]

Translingual[edit]

Character
Unicode name INCREMENT
Code point U+2206
Entity number ∆
Unicode block Mathematical Operators
[U+2205] [U+2207]

Etymology[edit]

From the capital Greek letter Δ.

Symbol[edit]

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

Usage notes[edit]

  • 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[edit]