C# Math Round(Decimal, Int32)

Description

Math Round(Decimal, Int32) rounds a decimal value to a specified number of fractional digits.

Syntax

Math.Round(Decimal, Int32) has the following syntax.

public static decimal Round(
  decimal d,
  int decimals
)

Parameters

Math.Round(Decimal, Int32) has the following parameters.

• d - A decimal number to be rounded.
• decimals - The number of decimal places in the return value.

Returns

Math.Round(Decimal, Int32) method returns The number nearest to d that contains a number of fractional digits equal to decimals.

Example

The following code shows how to use Math.Round(Decimal, Int32) method.

using System;//  w  ww .  j a v a  2  s .  com

public class Example
{
   public static void Main()
   {
      decimal[] values = { 2.125M, 2.135M, 2.145M, 3.125M, 3.135M, 3.145M };
      foreach (double value in values)
         Console.WriteLine("{0} --> {1}", value, Math.Round(value, 2));

   }
}

The code above generates the following result.