\[DiscretionaryLineSeparator] (Mathematica Character Name)

Unicode: F76E. Alias: Esc dlsep Esc. Spacing character. Used to invisibly denote a place where automatic line breaking should be allowed.

\[Divides] (Mathematica Character Name)

Unicode: F3D0. Alias: Esc divides Esc. Infix operator with built-in evaluation rules. m∣n is by default interpreted as Divisible[n,m].

\[DotlessJ] (Mathematica Character Name)

Unicode: F700. Letter. Used when a j will have an overscript on top. May or may not match the ordinary j from the text font.

\[DoubleContourIntegral] (Mathematica Character Name)

Unicode: 222F. Compound operator. ∯ f s is by default interpreted as ContourIntegral[f,s]. Used to indicate integrals over closed surfaces.

\[DoubleLongLeftArrow] (Mathematica Character Name)

Unicode: 27F8. Alias: Esc <== Esc. Infix arrow operator. x ⟸ y is by default interpreted as DoubleLongLeftArrow[x,y].

\[DoubleLongLeftRightArrow] (Mathematica Character Name)

Unicode: 27FA. Alias: Esc <==> Esc. Infix arrow operator. x ⟺ y is by default interpreted as DoubleLongLeftRightArrow[x,y]. Not the same as \[Equivalent].

\[DoubleLongRightArrow] (Mathematica Character Name)

Unicode: 27F9. Alias: Esc ==> Esc. Infix arrow operator. x ⟹ y is by default interpreted as DoubleLongRightArrow[x,y].

\[DoublePrime] (Mathematica Character Name)

Unicode: 2033. Alias: Esc '' Esc. Letter-like form. Used to indicate angles in seconds or distances in inches.

\[DoubleUpDownArrow] (Mathematica Character Name)

Unicode: 21D5. Infix arrow operator. x ⇕ y is by default interpreted as DoubleUpDownArrow[x,y]. Extensible character.

\[DownArrowUpArrow] (Mathematica Character Name)

Unicode: 21F5. Infix arrow operator. x ⇵ y is by default interpreted as DownArrowUpArrow[x,y]. Extensible character.