C++ How to Program, 10/e

... precision)
35         cout << "\nTotal of the " << gradeCounter
36            << " grades entered is " << total;
37         cout << setprecision(2) << fixed;
38         cout << "\nClass average is " << average << endl;
39      }
40      else { // no grades were entered, so output appropriate message
41         cout << "No grades were entered" << endl;
42      }
43   }

Enter grade or -1 to quit: 97
Enter grade or -1 to quit: 88
Enter grade or -1 to quit: 72
Enter grade or -1 to quit: -1

Total of the 3 grades entered is 257
Class average is 85.67

Recall that integer division produces an integer result. This program introduces a special operator called a cast operator to force the averaging calculation to produce a floatingpoint numeric result. This program also stacks control statements on top of one another ...