Excel ROUNDDOWN Function
Excel CEILING Function
The Excel CEILING function returns a given number rounded up to the nearest multiple of a given number of significance. The syntax of the CEILING function is as below:= CEILING (number, significance)…This post will guide you how to use Excel ROUNDDOWN function with syntax and examples in Microsoft excel.
Description
The Excel ROUNDDOWN function round the number down to the specified number of digits. So you can use this function to round a given number down towards zero to a specified number of decimal point.
The ROUNDDOWN function is a buildin function in Microsoft Excel and it is categorized as a Math and Trigonometry Function.
The ROUNDDOWN function is available in Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000, Excel 2011 for Mac.
Syntax
The syntax of the ROUNDDOWN function is as below:
=ROUNDDOWN (number, num_digits)
Where the ROUNDDOWN function arguments are:
 number This is a required argument. Any real number that you want to round down.
 num_digits – This is a required argument. The number of digits to which numbe you wnat to round down.
Note:
 If num_digits argument is greater than 0, then the number is rounded down to the specified number of digits. So it will round down to the right of the decimal point.
 If num_digits argument is equal to 0, then the number is rounded down to the nearest integer.
 If num_digits argument is less than 0, then the number is rounded down to the left of the decimal point.
Excel ROUNDDOWN Function Examples
The below examples will show you how to use Excel ROUNDDOWN Function to round a given number down to a specified number of decimal point.
1# to round a number 4.3 down to zero decimal places, enter the following formula in Cell B1.
=ROUNDDOWN(4.3,0)
2# to round a number 89.8 down to zero decimal places, enter the following formula in Cell B2.
=ROUNDDOWN(89.8,0)
3# to round a number 5.4329 down to two decimal places, enter the following formula in Cell B3.
=ROUNDDOWN(5.432,2)
4# to round a number 25.632 down to one decimal places to the left of the decimal point, enter the following formula in Cell B4.
=ROUNDDOWN(25.632,1)
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Excel ROUND function
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The Excel ROUNDUP function rounds the number up to a specified number of decimal places. It will round away from 0.The syntax of the ROUNDUP function is as below:=ROUNDUP (number, num_digits)… 
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The Excel CEILING function returns a given number rounded up to the nearest multiple of a given number of significance. The syntax of the CEILING function is as below:= CEILING (number, significance)… 
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