\[ReversePrime] (Mathematica Character Name)

Unicode: 2035. Alias: Esc ` Esc. Letter-like form. Used in an overscript position as a grave accent.

\[ReverseUpEquilibrium] (Mathematica Character Name)

Unicode: 296F. Infix arrow-like operator. x ⥯ y is by default interpreted as ReverseUpEquilibrium[x,y]. Extensible character.

\[RHacek] (Mathematica Character Name)

Unicode: 0159. Alias: Esc rv Esc. Letter. Included in ISO Latin-2.

\[Rho] (Mathematica Character Name)

Unicode: 03C1. Aliases: Esc r Esc, Esc rho Esc. Greek letter.

\[RightAngleBracket] (Mathematica Character Name)

Unicode: 232A. Alias: Esc > Esc. Matchfix operator. ⟨ x ⟩ is by default interpreted as AngleBracket[x]. Used in the form ⟨x ⟩ to indicate expected or average value. Called ...

\[RightAngle] (Mathematica Character Name)

Unicode: 221F. Letter-like form. Used in geometry to indicate a right angle, as in the symbol ∟ ABC.

\[RightArrowBar] (Mathematica Character Name)

Unicode: 21E5. Infix arrow operator. x ⇥ y is by default interpreted as RightArrowBar[x,y]. Used in mathematics to indicate an epimorphism. Sometimes used to indicate a tab. ...

\[RightArrowLeftArrow] (Mathematica Character Name)

Unicode: 21C4. Infix arrow operator. x ⇄ y is by default interpreted as RightArrowLeftArrow[x,y]. Extensible character.

\[RightArrow] (Mathematica Character Name)

Unicode: 2192. x → y is by default interpreted as RightArrow[x,y]. Alias: Esc ␣-> Esc. Infix arrow operator. Used for many purposes in mathematics to indicate transformation, ...

\[RightBracketingBar] (Mathematica Character Name)

Unicode: F604. Alias: Esc r| Esc. Matchfix operator.  x  is by default interpreted as BracketingBar[x]. Used in mathematics to indicate absolute value (Abs), determinant ...