The names Δ and δ may refer to any of several distinct mathematical quantities.
For partial differentiation, see diff.
For the Dirac delta function, see Dirac.
For the Kronecker delta tensor in physics, see Physics[KroneckerDelta].
For the Kronecker delta tensor in differential geometry, see DifferentialGeometry[Tensor][KroneckerDelta].
For the Delta polynomial in differential algebra, see DifferentialAlgebra[Tools][DeltaPolynomial].
For the risk measure Delta under the Black-Scholes model, see Finance[BlackScholesDelta].
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