\[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].

\[EmptyUpTriangle] (Mathematica Character Name)

Unicode: 25B3. Letter-like form. Used in geometry to indicate a triangle, as in the symbol △ABC. Not the same as \[CapitalDelta].

\[EnterKey] (Mathematica Character Name)

Unicode: F7D4. Alias: Esc ent Esc. Letter-like form. Representation of the Enter key on a keyboard. Used in describing how to type textual input.

\[Epsilon] (Mathematica Character Name)

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

\[EqualTilde] (Mathematica Character Name)

Unicode: 2242. Alias: Esc =~ Esc. Infix similarity operator. x ≂ y is by default interpreted as EqualTilde[x,y].

\[Equilibrium] (Mathematica Character Name)

Unicode: 21CC. Alias: Esc equi Esc. Infix arrow-like operator. x ⇌ y is by default interpreted as Equilibrium[x,y]. Used in chemistry to represent a reversible reaction. ...

\[ErrorIndicator] (Mathematica Character Name)

Unicode: F767. Uninterpretable element. Generated to indicate the position of a syntax error in messages produced by functions like Get and ToExpression. Shown as ^^^ in ...

\[Eta] (Mathematica Character Name)

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

\[Eth] (Mathematica Character Name)

Unicode: 00F0. Alias: Esc d- Esc. Letter. Included in ISO Latin-1. Used in Icelandic and Old English.

\[Euro] (Mathematica Character Name)

Unicode: 20AC. Letter-like form. Sign for euro European currency, as in € 5.