\[RawTilde] (Mathematica Character Name)

Unicode: 007E. Raw operator. Equivalent to the ordinary ASCII character with code 126. In addition to one-dimensional uses, OverscriptBox[x, ~] is by default interpreted as ...

\[ReturnIndicator] (Mathematica Character Name)

Unicode: 21B5. Alias: Esc ret Esc. Letter-like form. Representation of the return or newline character on a keyboard. Used in showing how textual input is typed.

\[ReversePrime] (Mathematica Character Name)

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

\[RightAngle] (Mathematica Character Name)

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

\[RightGuillemet] (Mathematica Character Name)

Unicode: 00BB. Alias: Esc g>> Esc. Letter-like form. Used as closing quotation marks in languages such as Spanish. Not the same as \[GreaterGreater]. Not the same as >. ...

\[RightUpVector] (Mathematica Character Name)

Unicode: 21BE. Infix arrow-like operator. x ↾ y is by default interpreted as RightUpVector[x,y]. Used in pure mathematics to indicate the restriction of x to y. Extensible ...

\[Sampi] (Mathematica Character Name)

Unicode: 03E0. Aliases: Esc sa Esc, Esc sampi Esc. Special Greek letter. Appeared after ω in early Greek alphabet; used for Greek numeral 900.

\[Sigma] (Mathematica Character Name)

Unicode: 03C3. Aliases: Esc s Esc, Esc sigma Esc. Greek letter. Used in TraditionalForm for DivisorSigma and WeierstrassSigma.

\[SkeletonIndicator] (Mathematica Character Name)

Unicode: 2043. Uninterpretable element. ⁃ name ⁃ is used on output to indicate an expression that has head name, but whose arguments will not explicitly be given. ...

\[SphericalAngle] (Mathematica Character Name)

Unicode: 2222. Letter-like form. Used in geometry to indicate a spherical angle, as in the symbol ∢ ABC.