\[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.

\[RuleDelayed] (Mathematica Character Name)

Unicode: F51F. Alias: Esc :> Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as x:>y or RuleDelayed[x,y]. x  y  z groups as x  (y  z).

\[Transpose] (Mathematica Character Name)

Unicode: F3C7. Alias: Esc tr Esc. Superscript postfix operator with built-in evaluation rules. m^ is by default interpreted as Transpose[m]. Not the same as keyboard T.

\[Xnor] (Mathematica Character Name)

Unicode: F4A2 Alias: Esc xnor Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Xnor[x,y].

\[Xor] (Mathematica Character Name)

Unicode: 22BB. Alias: Esc xor Esc. Infix operator with built-in evaluation rules. x ⊻ y is by default interpreted as Xor[x,y].

ButtonBox (Built-in Mathematica Symbol)

ButtonBox[boxes] is a low-level box construct that represents a button in a notebook expression.

IntegerQ (Built-in Mathematica Symbol)

IntegerQ[expr] gives True if expr is an integer, and False otherwise.

QFactorial (Built-in Mathematica Symbol)

QFactorial[n, q] gives the q-factorial [n] q!.