#include
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;
}
Displayed in default format:
0.00123457 1.946e+009
Displayed in scientific format:
1.234567e-003 1.946000e+009
Displayed in fixed format:
0.001235 1946000000.000000