# Delta

See also: Delta (homonymy)

Delta (capital tiny Δ , δ ), in Greek δέλτα , of the Greek alphabet is the fourth letter. In Greek Numeration, delta is worth 4. It derives from the letter phenician dalet. She is equivalent to the letter D of the Latin alphabet.

## Use

• mathematical and physical

• the symbol Δ is often used in Géométrie to indicate a right ;
• In Calculabilité, the Δn formulas belong to the arithmetic Hiérarchie. In particular, the Δ0 formulas are the formulas without quantifiers;
• the symbol Δ is used in Physique to measure a total difference; δ generally indicates a local difference; sometimes
• One notes in Physique Δ the result of a subtraction, during the energy exchanges in particular;
• One notes Δ the operator of Laplace;
• Δ is used in Physique particles to note the Hypéron S (Δ++, Δ+, Δ0 and Δ-);
• the symbol δ is used to note the function of Dirac or Fonction delta;
• δ is the Symbole of Kronecker;
• In Astronomy, δ indicates the variation;
• Δ is a computed value at the time of the resolution of a quadratic equation;
• Delta is the redundant word associated with the letter D in the Phonetic alphabet of NATO;
• In the Game theory, the first mixed strategy;
• In finance, the derivative of the price of a Option compared to that of its Subjacent credit ;
• In Medicine, the Muscle deltoïde car its name of its form, which resembles Δ.
• the delta of one river to the shape of this letter (see Delta of the Danube).
• In Aéronautique certain apparatuses have wing S in the shape of delta.
• Delta, a city of the Colombia-British, Canada, and suburbs of Vancouver
• In finance, Delta are an indicator of risk.
• In Taxonomy, DELTA is the Acronyme of a format of data

Simple: Delta

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