Unicode: F605. Alias: Esc l|| Esc. Matchfix operator.  x  is by default interpreted as DoubleBracketingBar[x]. Used in mathematics to indicate taking a norm. Sometimes used ...

Unicode: 301A. Alias: Esc [[ Esc. Compound operator with built-in evaluation rules. m〚i,j,… 〛 is by default interpreted as Part[m,i,j,…]. Sometimes used in mathematics to ...

Unicode: 205F. Alias: Esc ␣␣ ␣ Esc. Spacing character. Width: 4/18 em. Interpreted by default just like an ordinary \[RawSpace]. Sometimes used in output as a separator ...

Unicode: 2127. Alias: Esc mho Esc. Letter-like form. Used to denote the inverse ohm unit of conductance. "Mho" is "ohm" spelled backwards. Occasionally called 'agemo' in pure ...

Unicode: 002A. Raw operator. Equivalent to the ordinary ASCII character with code 42. In addition to one-dimensional uses, x^* is by default interpreted as SuperStar[x]. x^* ...

Unicode: 005E. Raw operator. Equivalent to the ordinary ASCII character with code 94. In addition to one-dimensional uses, OverscriptBox[x, ^] is by default interpreted as ...

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 ...

Unicode: F606. Alias: Esc r|| Esc. Matchfix operator.  x  is by default interpreted as DoubleBracketingBar[x]. Used in mathematics to indicate taking a norm. Sometimes used ...

Unicode: F520. Alias: Esc sq Esc. Prefix operator.  x is by default interpreted as Square[x]. Used in mathematical physics to denote the d'Alembertian operator. Sometimes ...

Unicode: 00A3. Letter-like form. Currency symbol for British pound sterling, as in £ 5. Used in mathematics to denote Lie derivative.