Page 452 - C++

j = 0;
}
}
else if(isOperator(exp[i]))
{
op1 = s.pop();
op2 = s.pop();
s.push(performOperation(op1, op2, exp[i]));
}
}
gotoxy(30,13);
cout<<" = "<<s.pop();
getch();
}
void end()
{
setgraphmode(getgraphmode());
setbkcolor(RED);
settextstyle(1,0,8);
outtextxy(100,100,"GOOD BYE");
delay(3000);
}