import java.util.Scanner;
public class calculator {
public static void main(String args[]){
Scanner scr = new Scanner(System.in);
double fnum,snum,answer;
int ch=0;
System.out.print("Enter first number: ");
fnum= scr.nextDouble();
System.out.print("Enter second number: ");
snum = scr.nextDouble();
while(ch!=5){
System.out.println("Choose choice:");
System.out.println("1.Addition");
System.out.println("2.Subtraction:");
System.out.println("3.Multiplication:");
System.out.println("4.Divison:");
System.out.println("5.Exit");
System.out.print("Enter choice: ");
ch= scr.nextInt();
switch(ch){
case 1:
answer= fnum+snum;
System.out.println("The Addition is "+ answer);
break;
case 2:
answer= fnum-snum;
System.out.println("The Difference is "+ Math.abs(answer));
break;
case 3:
answer= fnum*snum;
System.out.println("The Multliplication is "+ answer);
break;
case 4:
if(fnum==0||snum==0){
System.out.println("Cant process this operation.");
break;
}
int q,r;
q=(int) (fnum/snum);
System.out.println("The Qutoient is "+ q);
r=(int) (fnum%snum);
System.out.println("The Reminder is "+ r);
break;
case 5:
System.out.println("Exited.");
System.exit(0);
break;
default:
System.out.println("Invalid Input");
break;
}
}
}
}