#include <iostream>
using std::cout;
using std::endl;
using std::fixed;
using std::scientific;

int main()
{
   double x = 0.001234567;
   double y = 1.946e9;

   cout << "Displayed in default format:" << endl << x << '\t' << y << endl;

   cout << "\nDisplayed in scientific format:" << endl << scientific << x << '\t' << y << endl;

   cout << "\nDisplayed in fixed format:" << endl << fixed << x << '\t' << y << endl;
   return 0;
}
