C# Math Log(Double)

Description

Math Log(Double) returns the natural (base e) logarithm of a specified number.

Syntax

Math.Log(Double) has the following syntax.

public static double Log(
  double d
)

Parameters

Math.Log(Double) has the following parameters.

• d - The number whose logarithm is to be found.

Returns

Math.Log(Double) method returns One of the values in the following table. d parameter Return value Positive The natural logarithm of d; that is, ln d, or log e d Zero NegativeInfinity Negative NaN Equal to NaN NaN Equal to PositiveInfinity PositiveInfinity

Example

The following example illustrates the Log method.

//from  w  ww  .j  av  a2s  .  c o m
using System;
public class Example
{
   public static void Main()
   {
         Console.WriteLine(Math.Log(100));
   }   
}

The code above generates the following result.