Function CalculateSquareRoot(number As Double) As Double ' 检查输入是否为非负数 If number < 0 Then Err.Raise vbObjectError + 513, "CalculateSquareRoot", "输入的数字不能是负数。" End If ' 计算平方根 CalculateSquareRoot = Sqr(number) End Function Sub TestCalculateSquareRoot() Dim number...
SquareRoot = guess ' 返回计算得到的平方根值 End Function ``` 在这个函数中,我们使用一个循环来迭代计算平方根的值。循环的条件是`difference > tolerance`,也就是说,只要计算得到的平方根与实际平方根的差值大于所需精度,就继续迭代计算。 在每次迭代中,我们使用牛顿迭代法的公式来更新计算得到的平方根的近似...
Public Function removeFirstC(rng As String, cnt As Long) removeFirstC = Right(rng, Len(rng) - cnt) End Function Simply remove characters from the starting of a text string. All you need is to refer to a cell or insert a text into the function and number of characters to remove from ...
此示例使用Function语句声明组成Function过程主体的名称、参数和代码。 上一个示例使用初始化的硬类型Optional参数。 VB复制 ' The following user-defined function returns the square root of the' argument passed to it.FunctionCalculateSquareRoot(NumberArgAsDouble)AsDoubleIfNumberArg <0Then' Evaluate argument.Ex...
這個範例會使用Function語句來宣告形成Function 程式主體的名稱、自變數和程序代碼。 最後一個範例使用硬式類型、初始化的選擇性自變數。 VB複製 ' The following user-defined function returns the square root of the' argument passed to it.FunctionCalculateSquareRoot(NumberArgAsDouble)AsDoubleIfNumberArg <0Then...
The VBA SQR function is listed under the math category of VBA functions. When you use it in a VBA code, it returns the square root of the number supplied. In simple words, you can calculate the square root of a number with it.
Public Function rvrse(ByVal cell As Range) As String rvrse = VBA.strReverse(cell.Value) End Function All you have to do just enter "rvrse" function in a cell and refer to the cell in which you have text which you want to reverse.77. 激活 R1C1 参考样式Sub ActivateR1C1() If ...
在定义函数的过程中,使用Function和End Function语句定义,代替定义过程中的Sub和End Sub语句。 如下示例使用Function语句来声明函数的名称、参数等,其代码如下: '下面的用户自定义函数返回它的参数的平方根 Function CalculateSquareRoot(NumberArg As Double) As Double '评估参数 If NumberArg < 0 Then '退出调用...
[Public | Private | Friend] [ Static ] Function name [ ( arglist ) ] [ As type ][ statements ][ name = expression ][ Exit Function ][ statements ][ name = expression ]End Function 示例 ' The following user-defined function returns the square root of the ' argument passed to it. ...
'调用CalculateSquareRoot函数 MsgBox "计算平方根:" & CalculateSquareRoot(CInt(a)) End Sub 返回工作表中,单击【计算平方根】按钮,在弹出的如图9-3所示的对话框中,输入数字25。然后,单击【确定】按钮,即可弹出如图9-4所示的效果。 图9-3输入数字图9-4显示结果 注意 “参数列表”称为实参或实元,它必须与...