include <iostream>
using namespace std ;
void selam () ; // fonksiyonu tanımladık
void topla (double ,double ) ; // fonksiyonu tanımladık
void cikar (double ,double ) ; // fonksiyonu tanımladık
void carp (double ,double ) ; // fonksiyonu tanımladık
void bol (double ,double ) ;// fonksiyonu tanımladık
int main (){
double s1, s2 ;
char islem ;
cout<< "iki sayi giriniz:" ;
cin >> s1 >> s2 ;
cout<<" yapmak istediginiz islemi secin: +, -, *, / "<< endl ;
cin >> islem ;
topla (s1,s2) ;
cikar (s1,s2) ;
carp (s1 ,s2);
bol (s1 ,s2 ) ;
switch(islem){
case '+': // Toplama
cout << endl << s1 << s2 << "=" << topla (s1, s2) << endl << endl;
break;
case '-': // Çıkarma
cout << endl << s1 << s2 << "=" << cikar (s1, s2) << endl << endl;
break;
case '*': // Çarpma
cout << endl << s1 << s2 << "=" << carp(s1, s2) << endl << endl;
break;
case '/': // Bölme
cout << endl << s1 << s2 << "=" <<bol(s1, s2) << endl << endl;
break;
default:
cout << "Yanlıs islem girisi yapildi! Yeniden deneyiniz." << endl;
}
}
void selam (){
cout << "SELAM DUNYALİ:"<< endl ;
}
void topla(double s1,double s2)
{
cout << endl << s1 << s2 << "=" << topla (s1, s2) << endl << endl;
}
void cikar (double s1 ,double s2) ;
{
cout << endl << s1 << s2 << "=" << cikar (s1, s2) << endl << endl;
}
void carp (double s1 ,double s2) ;
{
cout << endl << s1 << s2 << "=" << carp (s1, s2) << < endl << endl;
}
void bol (double s1 ,double s2) ;
{
cout << endl << s1 << s2 << "=" <<Bol(s1, s2) << endl << endl;
}