FLOOR.PRECISE
Category: Mathematical Function.
Description: Returns a number that is rounded down to the nearest integer or to the nearest multiple of significance.
Regardless of the sign of the number, the number is rounded down.
However, if the number or the significance is zero, zero is returned.
Syntax: FLOOR.PRECISE(number, [significance])
The FLOOR.PRECISE function syntax has the following arguments:
Number: value to be rounded.
Significance: multiple to which number is to be rounded. If omitted, FLOOR.PRECISE will use 1.