• Unicode: 2206
  • Alias: EscdiffdEsc.
  • Prefix operator with built-in 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].
New to Mathematica? Find your learning path »
Have a question? Ask support »