Euro.cpp
#include <iostream.h>
#include <iomanip>
//-----------------------------------------------------------------------------
int main()
{
  const double TAXE = 1.196;
  const double EURO = 6.55957;
  double prix;
  cout << "Quel est votre prix hors Taxe en Franc ? ";
  cin >> prix;
  cout << fixed << setprecision(2);
  cout << endl << "|----------------------------|" << endl;
  cout << "| Prix HT en Franc  : " << setw(7) << prix << "|" << endl;
  cout << "| Prix TTC en Franc : " << setw(7) << prix*TAXE << "|" << endl;
  cout << "| Prix HT en EURO   : " << setw(7) << prix/EURO << "|" << endl;
  cout << "| Prix TTC en EURO  : " << setw(7) << prix*TAXE/EURO << "|" << endl;
  cout << "|----------------------------|" << endl;
  cin.get();
  cin.get();
  return 0;
}
//-----------------------------------------------------------------------------
Euro.cpp