Arithmetic operators in c#

Arithmetic operators in c#

Used to perform common mathmetical calculations.

There are five arithmetica;l operators.

+,-,*,/,%

operator	Purpose.
+	Addition
-	Subtraction
*	Multiplication.
/	Division.
%	Reminder while dividing(Modulus operator).

Consider a and b as integer variables whose values are 10 and 3 respectively.

Expression	Values
a+b	13
a-b	7
a*b	30
a/b	3
a%b	1

Consider x and y be floating point variables and their vsalues are 12.5 and 2.0 respectively

Expression	Values
X+y	14.5
x-y	10.5
X*y	25
x/y	6.25.

Sample program performing multiplication operator.

using System;

    class Program

    {

        static void Main(string[] args)

        {

          double rad, area;

            Console.WriteLine("Enter radius of circle: ");

            rad = double.Parse(Console.ReadLine());

            area = Math.PI * rad * rad;

            Console.WriteLine("area of circle={0}", area);

            Console.ReadLine();

        }

    }

output:

       --Muthu karthikeyan,Madurai.

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