\[Upsilon] (Mathematica Character Name)

Unicode: 03C5. Aliases: Esc u Esc, Esc upsilon Esc. Greek letter.

\[UpTeeArrow] (Mathematica Character Name)

Unicode: 21A5. Infix arrow operator. x ↥ y is by default interpreted as UpTeeArrow[x,y]. Extensible character.

\[UpTee] (Mathematica Character Name)

Unicode: 22A5. Alias: Esc uT Esc. Infix relational operator. x ⊥ y is by default interpreted as UpTee[x,y]. Used in geometry to indicate perpendicular. Used in number theory ...

\[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.

\[WatchIcon] (Mathematica Character Name)

Unicode: 231A. Letter-like form. Used to indicate a calculation that may take a long time.

\[WeierstrassP] (Mathematica Character Name)

Unicode: 2118. Alias: Esc wp Esc. Letter. Used to denote the function WeierstrassP. Not the same as \[ScriptCapitalP].

\[Xi] (Mathematica Character Name)

Unicode: 03BE. Aliases: Esc x Esc, Esc xi Esc. Greek letter.

\[YAcute] (Mathematica Character Name)

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

\[Yen] (Mathematica Character Name)

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

Format > Word Wrapping (Mathematica Menu Item)

Word Wrapping opens a submenu of word wrapping styles