Module
Contents
Index 🔎︎

# Round Function [VBA]

The Round function returns a number rounded to a specified number of digits.

该功能或常量可通过以下语句启用：Option VBASupport 1，该语句需要放置在模块的每个可执行程序代码的前面。

## 语法：

    Round( expression as Double [,numdecimalplaces as Integer] )

## 返回值：

Double

## 参数：

expression: Required. The numeric expression to be rounded.

numdecimalplaces: Optional. Specifies how many places to the right of the decimal are included in the rounding. Default is 0.

## 错误代码：

5 无效的过程调用

## 示例：

    REM ***** BASIC *****

    Option VBASupport 1

    Sub Example_Round

     Dim r

     r = Pi

     print r ' 3,14159265358979

     print Round(r, 5) ' 3,14159

     r = exp(1)

     print r ' 2,71828182845904

     print Round(r) ' 3

    End Sub

相关主题

Calc ROUND function

VBA 数学函数