Homework 2

การบ้านหน้า 52
ข้อ 13.

	public static void main(String[] args) {
		double x =7;
		double total = 4*(x*x*x) + 3*(x*x) + 2*x + 1;
				System.out.println("4x^3 + 3x^2 + 2X + 1 ="+ total);
	}
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ข้อ 14.


public class TimeCal {
	public static void main(String[] args) {
		double time1h =1;
		double time2h =2;
		double time3h =3;

		double min2 =30;
		double min3 =59;
		double sum1 =time1h*60 ;
		double sum2 =time2h*60 + min2 ;
		double sum3 =time3h*60 + min3 ;


				System.out.println("Please Chang hr to min following chioce");

				System.out.println("1. 1Hr ="+sum1);

				System.out.println("2. 2Hr 30min  =" +sum2);

				System.out.println("2. 3Hr 59min  =" +sum3);
	}
}