WorksheetFunction.Ln Method
Returns the natural logarithm of a number. Natural logarithms are based on the constant e (2.71828182845904).
Namespace: Microsoft.Office.Interop.Excel
Assembly: Microsoft.Office.Interop.Excel (in Microsoft.Office.Interop.Excel.dll)
Syntax
'Declaration
Function Ln ( _
Arg1 As Double _
) As Double
'Usage
Dim instance As WorksheetFunction
Dim Arg1 As Double
Dim returnValue As Double
returnValue = instance.Ln(Arg1)
double Ln(
double Arg1
)
Parameters
Arg1
Type: System.DoubleNumber - the positive real number for which you want the natural logarithm.
Return Value
Type: System.Double
Remarks
Ln is the inverse of the EXP function.