using System;

​

public class MyProgram

{

    public static void Main(String[] args)

    {

        int result1;

        result1 = 17 - 4;

        Console.WriteLine("1. The result of 17-4 is " + result1);

        int result2;

        result2 = (int) ((double) 647 / 37);

        Console.WriteLine("2. The result of 647/37 is " + result2);

        double result3;

        result3 = (double) 647 / 37;

        Console.WriteLine("3. The remainder of 647/37 is " + result3);

        double result4;

        result4 = (double) 7 / 9;

        Console.WriteLine("4. The decimal equivalent of seven ninths is " + result4);

        double result5;

        result5 = (double) 1 / 2 * 9 * 19;

        Console.WriteLine("5. This is the area of a triangle with base of 9 and height of 19: " + result5);

        double result6;

        result6 = Math.PI;

        Console.WriteLine("6. The value of pi is: " + result6);

        double result7;

        result7 = Math.PI * Math.Pow(12, 2);

        Console.WriteLine("7. The area of a circle with a radius of 12 is " + result7);

        double result8;

        result8 = 100 * Math.Pow((1 + 0.6), 7);

        Console.WriteLine("8. The future value of $100 compounded annually for 7 years at an interest rate of 6% is $" + result8);

        Boolean result9;

        result9 = 7 == 8;

        Console.WriteLine("9. 7 and 8 are equal? " + result9);

        Boolean result10;

        result10 = 22.003 != 22.002;

        Console.WriteLine("10. 22.003 and  22.002 are not equal? " + result10);

        Boolean result11;

        result11 = 4 >= 33;

        Console.WriteLine("11. 4 is greater than or equal to 33? " + result11);

        Boolean result12;

        result12 = '+' < '@';

        Console.WriteLine("12. '+' is less than '@'? " + result12);

        Boolean result13;

        result13 = String.Compare("4", "33") > 0

;

        Console.WriteLine("13. '4' is greater than '33'? " + result13);

        Boolean result14;

        result14 = 8 + 5 - 7 == 5.5;

        Console.WriteLine("14. The result of not (7 less than 8 and 5 equal to 5.5 or 'joe is not equal to 'Joe') is " + result14);

        String result15;

        result15 = "red" + "green" + "blue";

        Console.WriteLine("15. If you concatenate 'red' and 'green' and 'blue', you get " + result15);

    }

}

​

​