PROGRAM TO CONTINUE CALCULATION TILL USER WANTS. USING SWITCH , EXIT AND GOTO STATEMENTS.

#include<iostream.h> //used for cout and cin#include<conio.h> //used for getch() and clrscr()#include<stdlib.h> //used for exit()void main(){ char a; int x, y,ch; clrscr();

start: //linked with goto statement

cout<<"\n Enter the value of x:"; cin>>x; cout<<"\n Enter the value of y:"; cin>>y;

cout<<"\n Enter your choice: \n 1: sum \n 2: sub \n 3: mul \n 4 div";cin>>ch;

switch(ch){ case 1: cout<<"\n Sum of x and y is:"<<x+y; break; case 2: cout<<"\n Sub of x and y is:"<<x-y; break; case 3: cout<<"\n Mul of x and y is:"<<x*y; break; case 4: cout<<"\n Div of x and y is:"<<x/y; break; default : cout<<"Thankyou";}

cout<<"\n Enter Y to continue"; cin>>a;

if(a=='y' ||a=='Y') { goto start; //goto the position where “start” is defined(starting of program). } else { exit(0); }getch();

}