FLOOR
The FLOOR function rounds a number down to the nearest multiple of a specified significance.
Syntax
=FLOOR(number, significance)
Parameters
number
: The number to round downsignificance
: The multiple to round to
Examples
=FLOOR(3.7, 1) // Returns 3
=FLOOR(3.7, 0.5) // Returns 3.5
=FLOOR(-3.7, -1) // Returns -4