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# ROUNDDOWN function

Rounds down a number while keeping a specified number of decimal digits.

This function is equivalent to the TRUNC function.

The rounding method used by this function is known as rounding towards zero. The magnitude of the resulting number will always be less than or equal to the original number.

### தொடரமைப்பு

ROUNDDOWN(Number [; Count])

Number: The number to be rounded down.

Count: Optional parameter that defines the number of decimal places to be kept. The default value is 0 (zero).

Use negative values for Count to round the integer part of the original Number. For example, -1 will round down the first integer number before the decimal separator, -2 will round down the two integer numbers before the decimal separator, and so forth.

In LibreOffice, the Count parameter is optional, whereas in Microsoft Excel this parameter is mandatory. When an ODS file contains a call to ROUNDDOWN without the Count parameter and the file is exported to XLS or XLSX formats, the missing argument will automatically be added with value zero to maintain compatibility.

### எடுத்துக்காட்டுகள்

=ROUNDDOWN(21.89) returns 21. Note that this example uses the default value for Count which is 0.

=ROUNDDOWN(103.37,1) returns 103.3.

=ROUNDDOWN(0.664,2) returns 0.66.

=ROUNDDOWN(214.2,-1) returns 210. Note the negative value for Count, which causes the first integer value before the decimal separator to be rounded towards zero.

தொடர்புடைய தலைப்புகள்

ROUNDDOWN wiki page.

TRUNC function

Mathematical Functions