\[LeftFloor] (Mathematica Character Name)

Unicode: 230A. Alias: Esc lf Esc. Matchfix operator with built-in evaluation rules. ⌊ x ⌋ is by default interpreted as Floor[x]. Extensible character.

\[LessSlantEqual] (Mathematica Character Name)

Unicode: 2A7D. Alias: Esc </ Esc. Infix operator with built-in evaluation rules. x ⩽ y is by default interpreted as LessEqual[x,y].

\[Nand] (Mathematica Character Name)

Unicode: 22BC. Alias: Esc nand Esc. Infix operator with built-in evaluation rules. x ⊼ y is by default interpreted as Nand[x,y].

\[Nor] (Mathematica Character Name)

Unicode: 22BD. Alias: Esc nor Esc. Infix operator with built-in evaluation rules. x ⊽ y is by default interpreted as Nor[x,y].

\[NotElement] (Mathematica Character Name)

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].

\[NotEqual] (Mathematica Character Name)

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

\[Or] (Mathematica Character Name)

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 ...

\[Piecewise] (Mathematica Character Name)

Unicode: F361. Alias: Esc pw Esc. Prefix operator with built-in evaluation rules. Grid[{{e_1, c_1}, {e_2, c_2}}] is by default interpreted as ...

\[RightCeiling] (Mathematica Character Name)

Unicode: 2309. Alias: Esc rc Esc. Matchfix operator with built-in evaluation rules. ⌈ x ⌉ is by default interpreted as Ceiling[x]. Extensible character.

\[RightFloor] (Mathematica Character Name)

Unicode: 230B. Alias: Esc rf Esc. Matchfix operator with built-in evaluation rules. ⌊ x ⌋ is by default interpreted as Floor[x]. Extensible character.