\[DottedSquare] (Mathematica Character Name)

Unicode: F751. Letter-like form.

\[DoubleDagger] (Mathematica Character Name)

Unicode: 2021. Alias: Esc ddg Esc. Letter-like form.

\[DoubleDownArrow] (Mathematica Character Name)

Unicode: 21D3. Infix arrow operator. x ⇓ y is by default interpreted as DoubleDownArrow[x,y]. Extensible character.

\[DoubleUpArrow] (Mathematica Character Name)

Unicode: 21D1. Infix arrow operator. x ⇑ y is by default interpreted as DoubleUpArrow[x,y]. Extensible character.

\[DownLeftTeeVector] (Mathematica Character Name)

Unicode: 295E. Infix arrow-like operator. x ⥞ y is by default interpreted as DownLeftTeeVector[x,y]. Extensible character.

\[DownLeftVectorBar] (Mathematica Character Name)

Unicode: 2956. Infix arrow-like operator. x ⥖ y is by default interpreted as DownLeftVectorBar[x,y]. Extensible character.

\[DownRightTeeVector] (Mathematica Character Name)

Unicode: 295F. Infix arrow-like operator. x ⥟ y is by default interpreted as DownRightTeeVector[x,y]. Extensible character.

\[DownRightVectorBar] (Mathematica Character Name)

Unicode: 2957. Infix arrow-like operator. x ⥗ y is by default interpreted as DownRightVectorBar[x,y]. Extensible character.

\[EHat] (Mathematica Character Name)

Unicode: 00EA. Alias: Esc e^ Esc. Letter. Included in ISO Latin-1.

\[EmptyDiamond] (Mathematica Character Name)

Unicode: 25C7. Letter-like form.