Program Kalkulator Sederhana

#include <iostream>
#include <math.h>

using namespace std;

class Kalkulator{
      public :
             void tampilan();
             void penjumlahan();
             void pengurangan();
             void perkalian();
             void pembagian();
             void perpangkatan();
             void akar_kuadrat();
      private:       
            int a, b;
            float hasil;
            };
void Kalkulator::tampilan(){
     cout << "       ***********************************\n";
     cout << "       ****      SELAMAT DATANG       ****\n";
     cout << "       ****  DIPROGRAM KALKULATOR QU  ****\n";
     cout << "       ***********************************\n";