#include <cstdlib>

#include <iostream>

using namespace std;

int main(int argc, char *argv[])

{

    cout<<"merhaba kullanici"<<endl;

    cout<<"istediginizi hesaplayin"<<endl;

   char islem;

   float a,sonuc1,sonuc2,sonuc3,sonuc4,sonuc5,sonuc6;

   double x,y;

   float pi;

   pi=3.1415;

    cout<<"======================================================================"<<endl;

    cout<<"======================================================================"<<endl;

    cout<<"===            CONVERTER   V(1.0) by BALABAN September-2007        ==="<<endl;

    cout<<"===                                                                ==="<<endl;

    cout<<"===Sistem dos uygulamasi oldugu icin harflere secimi yapabilirsiniz==="<<endl;

    cout<<"===               Uzunluk cevirisi icin a yi...                    ==="<<endl;

    cout<<"===               Agirlik cevirisi icin b yi...                    ==="<<endl;

    cout<<"===               Hacim   cevirisi icin c yi...                    ==="<<endl;

    cout<<"===               Derece  cevirisi icin d yi...                    ==="<<endl;

    cout<<"===               Para    cevirisi icin e yi...                    ==="<<endl;

    cout<<"===         Harfleriyle islemlerinizi yapabilirsiniz               ==="<<endl;

    cout<<"===                                                                ==="<<endl;

    cout<<"======================================================================"<<endl;

    cout<<"======================================================================"<<endl;

  do {

    cout<<"lutfen once islemi giriniz...";

    cin>>islem;

    cout<<"Cikmak icin 0 i giriniz..."<<endl;

    cout<<"Sayiyi giriniz: ";

    cin>>a;

    switch (islem)

    {

           case 'a':

                sonuc1=a*10;

                sonuc2=a*100;

                sonuc3=a*1000;

                sonuc4=a*0,1;

                sonuc5=a*0,01;

                sonuc6=a*0,001;

                cout<<a<<" m = "<<sonuc1<<" dm = "<<sonuc2<<" cm = "<<sonuc3<<" mm..."<<endl;break;

                cout<<"Ayrica "<<a<<" m= "<<sonuc4<<" dekametre= "<<sonuc5<<" hm = "<<sonuc6<<" km ye esittir..."<<endl;break;

               case  'b':

                sonuc1=a*10;

                sonuc2=a*100;

                sonuc3=a*1000;

                sonuc4=a*0,1;

                sonuc5=a*0,01;

                sonuc6=a*0,001;

                cout<<a<<" kg= "<<sonuc1<<" dg= "<<sonuc2<<" =g "<<sonuc3<<" mg..."<<endl;break;

                cout<<"Ayrica "<<a<<" kg= "<<sonuc4<<" dekagram= "<<sonuc5<<" Hektogram= "<<sonuc6<<" tona esittir..."<<endl;break;

                case 'c':

                sonuc1=a*10;

                sonuc2=a*100;

                sonuc3=a*1000;

                cout<<a<<" litre= "<<sonuc1<<" cl= "<<sonuc2<<" =ml "<<endl;break;

                case 'd':

                sonuc1= (a * pi) /180;

                cout<<a<<" derece= "<<sonuc1<<" radyana esittir..."<<endl;break;

               case 'e':

               x=1,8;

               y=1,3;

               sonuc1=a*x;

               sonuc2=a*y;

               cout<<a<<" ytl= "<<sonuc1<<" euroya ve "<<sonuc2<<" dolara "<<endl;break;

     }     

}

while (a = 0);

    system("PAUSE");

    return EXIT_SUCCESS;

}