public class MathFunction
public static double reciprocal(double num)
public static double FractionalPart(double num)
public static bool IsEven(int num)
return (num%2)==0?true:false;
public static bool IsOdd(int num)
public static void Main(){
Console.WriteLine("Reciprocal of 5 is {0}",MathFunction.reciprocal(10.0));
Console.WriteLine("Fractional Part of 2.563 is {0} ",MathFunction.FractionalPart(2.563));
if(MathFunction.IsEven(10))
Console.WriteLine("10 is Even");
if(MathFunction.IsOdd(5))
Console.WriteLine("5 is odd");