Enter the number of courses you are taking: 4

Enter grade for course 1: A
Enter credits for course 1: 4

Enter grade for course 2: b-
Enter credits for course 2: 3

Enter grade for course 3: B+
Enter credits for course 3: 3

Enter grade for course 4: A-
Enter credits for course 4: 1

Your GPA is 3.43