\[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 ...

\[EHacek] (Mathematica Character Name)

Unicode: 011B. Alias: Esc ev Esc. Letter. Included in ISO Latin-2.

\[Element] (Mathematica Character Name)

Unicode: 2208. Aliases: Esc el Esc, Esc elem Esc. Infix operator with built-in evaluation rules. x ∈ y is by default interpreted as Element[x,y]. Not the same as \[Epsilon].

\[EmptySquare] (Mathematica Character Name)

Unicode: 25A1. Alias: Esc esq Esc. Letter-like form. Not the same as the operator \[Square]. Not the same as \[Placeholder].

\[Epsilon] (Mathematica Character Name)

Unicode: 03F5. Aliases: Esc e Esc, Esc epsilon Esc. Greek letter. Not the same as \[Element].

\[Equal] (Mathematica Character Name)

Unicode: F431. Alias: Esc == Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Equal[x,y] or x==y. \[Equal] is drawn longer than ...

\[Eta] (Mathematica Character Name)

Unicode: 03B7. Aliases: Esc et Esc, Esc eta Esc, Esc h Esc. Greek letter. Used in TraditionalForm for DedekindEta.

\[ExponentialE] (Mathematica Character Name)

Unicode: F74D. Alias: Esc ee Esc. Letter-like form with built-in value.  is interpreted by default as the symbol E, representing the exponential constant.

\[FilledSquare] (Mathematica Character Name)

Unicode: 25A0. Alias: Esc fsq Esc. Letter-like form. Used as a dingbat. Not the same as \[SelectionPlaceholder].

\[FinalSigma] (Mathematica Character Name)

Unicode: 03C2. Alias: Esc fs Esc. Greek letter. Used in written Greek when σ occurs at the end of a word. Not commonly used in technical notation. Not the same as \[Stigma].