FLOOR.PRECISE

FLOOR.PRECISE(number [,significance])

Returns the number rounded down to the nearest integer or significant figure.

number	The number to be rounded down.
significance	(Optional) The multiple you want the number rounded to.

REMARKS

* This function was replaced in Excel 2013 with the FLOOR.MATH function.
* This function was added in Excel 2010 to replace the FLOOR function.
* This function is only available for backwards compatibility and should never be used.
* This function does not appear in the Function Wizard or the Cell AutoComplete.
* There was also a CEILING.PRECISE that rounded the number up.
* If "significance" is left blank, then 1 is used.
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com