Mathematical function, suitable for both symbolic and numerical manipulation.
Floor[x] can be entered in StandardForm and InputForm as x, Esc lf EscEsc rf Esc or \[LeftFloor]x\[RightFloor].
Floor[x] returns an integer when is any numeric quantity, whether or not it is an explicit number. »
For exact numeric quantities, Floor internally uses numerical approximations to establish its result. This process can be affected by the setting of the global variable $MaxExtraPrecision.
Floor applies separately to real and imaginary parts of complex numbers.
x
, Esc lf Esc 
Esc rf Esc or 
is any numeric quantity, whether or not it is an explicit number. »
EXAMPLES
Basic Examples 
Scope 