\[UpArrowBar] (Mathematica Character Name)

Unicode: 2912. Infix arrow operator. x ⤒ y is by default interpreted as UpArrowBar[x,y]. Extensible character.

\[Uranus] (Mathematica Character Name)

Unicode: 2645.

\[Venus] (Mathematica Character Name)

Unicode: 2640.

\[VerticalTilde] (Mathematica Character Name)

Unicode: 2240. Infix operator. x ≀ y is by default interpreted as VerticalTilde[x,y]. Used in mathematics to mean wreath product.

\[Wolf] (Mathematica Character Name)

Unicode: F720. Aliases: Esc wf Esc, Esc wolf Esc. Letter-like form. Iconic representation of a wolf.

\[YAcute] (Mathematica Character Name)

Unicode: 00FD. Alias: Esc y' Esc. Letter. Included in ISO Latin-1.

\[YDoubleDot] (Mathematica Character Name)

Unicode: 00FF. Alias: Esc y" Esc.

\[Yen] (Mathematica Character Name)

Unicode: 00A5. Letter-like form. Currency symbol for Japanese yen, as in ¥5000.

PlaceholderReplace (Built-in Mathematica Symbol)

PlaceholderReplace is an option to Paste that determines whether to replace a selection placeholder with the selected contents.

$TimedOut (Built-in Mathematica Symbol)

$TimedOut is a special symbol returned by certain functions when an operation times out.