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: 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 ...

Unicode: 2209. Aliases: Esc !el Esc, Esc  !elem Esc. Infix set relation operator with built-in evaluation rules. x ∉ y is by default interpreted as NotElement[x,y].

Unicode: 2260. Alias: Esc != Esc. Infix operator with built-in evaluation rules. x ≠ y is by default interpreted as Unequal[x,y].

Unicode: 2228. Aliases: Esc || Esc, Esc or Esc. Infix operator with built-in evaluation rules. x ∨ y is by default interpreted as Or[x,y], equivalent to x||y. Not the same as ...

Unicode: 03C0. Aliases: Esc p Esc, Esc pi Esc. Greek letter with built-in value. Interpreted by default as the symbol Pi.

Unicode: 227A. Infix ordering operator. x ≺ y is by default interpreted as Precedes[x,y]. Used in mathematics to indicate various notions of partial ordering. Often applied ...

Unicode: 221D. Alias: Esc prop Esc. Infix relational operator. x ∝ y is by default interpreted as Proportional[x,y]. Not the same as \[Alpha].

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 ...