Excel Functions

Excel FLOOR.MATH Function

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The Excel FLOOR.MATH Function rounds down a supplied number to the nearest integer or to the nearest multiple of significance. In MS-Excel this function is categorized under MATH&TRIGNOMETRY functions.

Purpose of Excel FLOOR.MATH Function

To get rounded down the number. Positive decimal numbers are rounded down to the nearest integer and a negative value is rounded down away from zero.

Return value

FLOOR.MATH function will return a rounded number.

Syntax

= FLOOR.MATH(number,[significance],[mode])

Arguments

ArgumentsDescriptionRemarks
numberThe number to be rounded down.Mandatory
[significance]The multiple of significance to round the supplied number to.Default is 1.Optional
[mode]The numeric argument that reverses the direction of rounding for negative numbers only. Default is 0. Optional

Usage notes

  • Positive numbers with decimal portions are rounded down to the nearest integer.
  • For example, 5.2 is rounded down to 5, using the default significance (1).
  • By default, negative numbers with decimal portions are rounded away from 0 to the nearest integer. For example, -5.6 is rounded to -6.
  • By using 0 or a negative number as the Mode argument, you can change the direction of the rounding for negative numbers. For example, rounding -5.4 with a significance of 1 and a mode of -1 rounds toward 0, to -5.
  • The significance argument rounds the number down to the nearest integer that is a multiple of the significance specified. The exception is where the number to be rounded is an integer. For example, for a significance of 3, the number is rounded down to the next integer that is a multiple of 3
  • If the number divided by a significance of 2 or greater results in a remainder, the result is rounded down.

Availability

Since 2013 for Windows.

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