floor
Rounds to the nearest integer in the direction of −∞.
Syntax

floor(x)

x
is a real number

Description
If x
is a real number, then floor(x)
is the nearest integer that is less than x
.
Notes
The circumfix operator ⌊⌋
is mapped to the floor
function.
Examples
⌊π⌋
3
⌊e⌋
2
⌊−π⌋
−4
⌊−e⌋
−3