\[DifferenceDelta]

  • Unicode: 2206
  • Alias: EscdiffdEsc.
  • Prefix operator with builtin evaluation rules.
  • is by default interpreted as DifferenceDelta[y,k].
  • You can use \[InvisibleComma] in the subscript to to give several variables without having them separated by visible commas.
  • Not the same as the Greek letter \[CapitalDelta].