CPP_Practica63_Calculadora

// Program: calc.cc
// Author:  Yoan Pinzon
// Date:    Agosto 30, 2006

#include <iostream>

using namespace std;

int main(){
   int opc, x, y;

   do{
      cout << "====== MENU CALCULADORA ======\n";
      cout << "1.- Sumar\n2.- Restar\n3.- Multiplicar\n4.- Dividir\n0.- Terminar\n";
      cout << "==============================\n";
      cout << "Ingrese su seleccion > "; cin >> opc;
      if(opc>0 && opc <=4){
         cout << "Entre 2 numeros: "; cin >> x >> y;
         switch(opc){
            case 1: cout << x << "+" << y << "=" << x+y << endl; break;
            case 2: cout << x << "-" << y << "=" << x-y << endl; break;
            case 3: cout << x << "*" << y << "=" << x*y << endl; break;
            case 4: cout << x << "/" << y << "=" << float(x)/y << endl;
         }
      }
      else if(opc!=0) cout << opc << " no es valido!, intente nuevamente." << endl;
   }while(opc!=0);

   return 0;
}