소금인형 - SW개발자?

엑셀의 결과 값을 반올림 하거나, 절삭(특정 자리수 값을 없앰)을 하는 경우에 사용되는 함수들

엑셀 반올림

=ROUNDUP(A1,-2)        무조건 반올림 (-2는10자리, -3는100의자리)

=ROUND(A1,-2)             5이상일때 반올림

=ROUNDDOWN(A1,-2)    무조건 절삭

ROUNDUP function

Syntax

ROUNDUP(number, num_digits)

The ROUNDUP function syntax has the following arguments:
- Number:    Required. Any real number that you want rounded up.
- Num_digits:    Required. The number of digits to which you want to round number.

https://support.microsoft.com/en-us/office/roundup-function-f8bc9b23-e795-47db-8703-db171d0c42a7?ui=en-us&rs=en-us&ad=us

ROUNDDOWN function

Syntax

ROUNDDOWN(number, num_digits)

The ROUNDDOWN function syntax has the following arguments:
- Number:   Required. Any real number that you want rounded down.

- Num_digits:    Required. The number of digits to which you want to round number.

Example

Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.

https://support.microsoft.com/en-us/office/rounddown-function-2ec94c73-241f-4b01-8c6f-17e6d7968f53?ui=en-us&rs=en-us&ad=us