Homework 3-17 2007

import java.util.Scanner;

public class project
{
public static void main(String[] args)
{
System.out.print("type the number you want:");
Scanner keyboard = new Scanner (System.in);
double h = keyboard.nextDouble();
double guess = h / 2;
double n;
for (int i=0 ;i <= 10 ; i++) { n = h/guess; guess =(guess+n)/2; } System.out.println(h+ "開根號:"+guess); }

}

import java.util.Scanner;


public class project2
{
public static void main(String[] args)
{
System.out.println("輸入兩個整數");
Scanner input = new Scanner (System.in);
int a = input.nextInt();
int b = input.nextInt();
int c = a + b;
int d = a - b;
int e = a * b;
System.out.println(a+"+" +b+"="+ c);
System.out.println(a+"-" +b+"="+ d);
System.out.println(a+"*" +b+"="+e);
}

}