Unicode: 266E. Letter-like form. Used to denote musical notes. Sometimes used in mathematical notation, often as an inverse of numbering operations represented by \[Sharp].

Unicode: 2AA1. Infix ordering operator. x ⪡ y is by default interpreted as NestedLessLess[x,y]. Used to denote "much less than". Occasionally used in measure theory to denote ...

Unicode: 2032. Alias: Esc ' Esc. Letter-like form. Used to indicate angles in minutes or distances in feet. Used in an overscript position as an acute accent.

Unicode: 2237. Infix relational operator. x ∷ y is by default interpreted as Proportion[x,y]. Used historically to indicate equality; now used to indicate proportion.

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: 00AE. Alias: Esc rtm Esc. Letter-like form. Used as a superscript to indicate a registered trademark such as Mathematica. Typically used only on the first occurrence ...

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. ...

Unicode: 21A6. Infix arrow operator. x ↦ y is by default interpreted as RightTeeArrow[x,y]. Used in mathematics to indicate a transformation, often the action of a mapping on ...

Unicode: 266F. Letter-like form. Used to denote musical notes. Sometimes used in mathematical notation, typically to indicate some form of numbering or indexing. Not the same ...