Unicode: 2264. Alias: Esc <= Esc. Infix operator with built-in evaluation rules. x ≤ y is by default interpreted as LessEqual[x,y].
Unicode: F7D9. Infix operator with built-in evaluation rules. x y is by default interpreted as Equal[x,y] or x==y. \[LongEqual] is drawn longer than \[RawEqual]. Used as an ...
Unicode: 27F6. Alias: Esc --> Esc. Infix arrow operator. x ⟶ y is by default interpreted as LongRightArrow[x,y]. Not the same as \[Rule].
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: 00B5. Alias: Esc mi Esc. Letter-like form. Used as a prefix in units to denote 10^-6. Not the same as \[Mu].
\[Mu]
(Mathematica Character Name) Unicode: 03BC. Aliases: Esc m Esc, Esc mu Esc. Greek letter. Used in TraditionalForm for MoebiusMu. Not the same as \[Micro].
Unicode: F383. Alias: Esc -␣␣ ␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -4/18 em. Interpreted by default just like an ...
Unicode: F384. Alias: Esc -␣␣ ␣␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -5/18 em. Interpreted by default just like ...
Unicode: F382. Alias: Esc -␣␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -3/18 em. Interpreted by default just like an ...
Unicode: F380. Alias: Esc -␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -1/18 em. Interpreted by default just like an ...