\[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].

\[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 ...

\[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].

\[Function] (Mathematica Character Name)

Unicode: F4A1 Alias: Esc fn Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Function[x,y]. x  y  z groups as x  (y  z). \[Function] ...

\[GreaterEqual] (Mathematica Character Name)

Unicode: 2265. Alias: Esc >= Esc. Infix operator with built-in evaluation rules. x ≥ y is by default interpreted as GreaterEqual[x,y].