\[DiscreteRatio] (Mathematica Character Name)

Unicode: F4A4 Alias: Esc dratio Esc. Prefix operator with built-in evaluation rules. _ky is by default interpreted as DiscreteRatio[y,k]. You can use \[InvisibleComma] in ...

\[DiscreteShift] (Mathematica Character Name)

Unicode: F4A3 Alias: Esc shift Esc. Prefix operator with built-in evaluation rules. _ky is by default interpreted as DiscreteShift[y,k]. You can use \[InvisibleComma] in the ...

\[DotEqual] (Mathematica Character Name)

Unicode: 2250. Alias: Esc .= Esc. Infix similarity operator. x ≐ y is by default interpreted as DotEqual[x,y]. Used to mean approximately equal, or in some cases, 'image of', ...

\[DoubledPi] (Mathematica Character Name)

Unicode: F749. Alias: Esc pp Esc. Letter-like form. Not by default assigned any interpretation. Not the same as \[Pi].

\[DoubleLeftArrow] (Mathematica Character Name)

Unicode: 21D0. Alias: Esc ␣<= Esc. Infix arrow operator. x ⇐ y is by default interpreted as DoubleLeftArrow[x,y]. Extensible character. Esc <= Esc is the alias for ...

\[DoubleLeftRightArrow] (Mathematica Character Name)

Unicode: 21D4. Alias: Esc <=> Esc. Infix arrow operator. x ⇔ y is by default interpreted as DoubleLeftRightArrow[x,y]. Used in mathematics to indicate logical equivalence. ...

\[DoubleRightTee] (Mathematica Character Name)

Unicode: 22A8. Infix operator. x ⊨ y is by default interpreted as DoubleRightTee[x,y]. x ⊨ y ⊨ z groups as x ⊨ (y ⊨ z). Used in mathematics to indicate various strong forms ...

\[DownArrow] (Mathematica Character Name)

Unicode: 2193. Infix arrow operator. x ↓ y is by default interpreted as DownArrow[x,y]. Used to indicate monotonic decrease to a limit. Sometimes used for logical nor. ...

\[Ellipsis] (Mathematica Character Name)

Unicode: 2026. Alias: Esc ... Esc. Letter-like form. Used to indicate omitted elements in a row of a matrix. \[Ellipsis] on its own will act as a symbol.

\[EmptySmallCircle] (Mathematica Character Name)

Unicode: 25E6. Alias: Esc esci Esc. Letter-like form. Not the same as the infix operator \[SmallCircle]. Used as an overscript to add ring diacritical marks.