ROUNDDOWN

ROUNDDOWN(number, num_digits)

Returns the number rounded down to a certain number of decimal places or digits.

number	The number you want to round down (towards zero).
num_digits	The number of decimal places you want to round the number to.

REMARKS

* This function is identical to the ROUND function, except that it always rounds a number down.
* If "num_digits" > 0, then "number" is rounded down to the specified number of decimal places.
* If "num_digits" = 0 then "number is rounded down to the nearest integer.
* If "num_digits" < 0, then "number" is rounded down to the left of the decimal point.
* You can use the ROUND function to round to a certain number of decimal places or digits.
* You can use the ROUNDUP function to round up to a certain number of decimal places or digits.
* You can use the FLOOR.MATH function to round down to the nearest integer or significant figure.
* You can use the CEILING.MATH function to round up to the nearest integer or significant figure.
* You can use the INT function to return a number rounded down to the nearest integer.
* You can use the MROUND function to round to a desired multiple.
* You can use the EVEN function to round up to the nearest even integer.
* You can use the ODD function to round up to the nearest odd integer.
* For the Microsoft documentation refer to support.microsoft.com

	A
1	=ROUNDDOWN(123.456, 4) = 123.4560
2	=ROUNDDOWN(123.456, 3) = 123.456
3	=ROUNDDOWN(123.456, 2) = 123.45
4	=ROUNDDOWN(123.456, 1) = 123.40
5	=ROUNDDOWN(123.456, 0) = 123
6	=ROUNDDOWN(123.567, 0) = 123
7	=ROUNDDOWN(123.456, -1) = 120
8	=ROUNDDOWN(123.456, -2) = 100
9	=ROUNDDOWN(123.456, -3) = 0
10	=ROUNDDOWN(123.456, -4) = 0
11	=ROUNDDOWN(0.024, 2) = 0.020
12	=ROUNDDOWN(-0.026, 2) = -0.020

1 - What is the number 123.456 rounded down to 4 decimal places.
2 - What is the number 123.456 rounded down to 3 decimal places.
3 - What is the number 123.456 rounded down to 2 decimal places.
4 - What is the number 123.456 rounded down to 1 decimal place.
5 - What is the number 123.456 rounded down to 0 decimal places.
6 - What is the number 123.567 rounded down to 0 decimal places.
7 - What is the number 123.456 rounded down to -1 decimal places.
8 - What is the number 123.456 rounded down to -2 decimal places.
9 - What is the number 123.456 rounded down to -3 decimal places. There are only 3 digits on the left of the decimal place.
10 - What is the number 123.456 rounded down to -4 decimal places. There are only 3 digits on the left of the decimal place.
11 - What is the number 0.024 rounded down to 2 decimal places.
12 - What is the number -0.026 rounded down to 2 decimal places.