Log Function

Returns the natural logarithm of a number.

Синтакса

Log (број)

Врати вредност:

Двојно

Параметри:

Number: Any numeric expression that you want to calculate the natural logarithm for.

The natural logarithm is the logarithm to the base e. Base e is a constant with an approximate value of 2.718282...

You can calculate logarithms to any base (n) for any number (x) by dividing the natural logarithm of x by the natural logarithm of n, as follows:

Log n(x) = Log(x) / Log(n)

Error codes:

5 Invalid procedure call

Пример

Sub ExampleLogExp

Dim a As Double

Dim Const b1=12.345e12

Dim Const b2=1.345e34

    a=Exp( Log(b1)+Log(b2) )

    MsgBox "" & a & chr(13) & (b1*b2) ,0,"Multiplication by logarithm function"

End Sub