ClassGrades = fopen('class_grades.txt');
header = fscanf(ClassGrades, '%s', 15);

fprintf('%55s\n', 'Class Grades');
fprintf('Name     HW1     HW2     HW3    HW4      HW5     HW6    HW7      HW8     HW9    HW10    Exam#1  Exam#2  Final Exam     Total    Per Cent');

name = fscanf(ClassGrades, '%s',1);
i=1;
colsum=[0 0 0 0 0 0 0 0 0 0 0 0 0];
while strcmp(name, 'MAXIMUM')==0
    fprintf('\n%s\t', name)
    grades = fscanf(ClassGrades, '%f', 13);
    total(i)=sum(grades);
    fprintf('%.2f\t', grades)
    fprintf('%12.2f %10.2f', total(i), total(i)/6)
    colsum=colsum+transpose(grades);
    name = fscanf(ClassGrades, '%s',1);
    i=i+1;
end
fclose(ClassGrades);
fprintf('\n\nAverage:');
fprintf('%.2f\t', transpose(colsum)/i);
fprintf('%12.2f\t%7.2f\n', sum(total)/i, (sum(total)/i)/6);

figure(1)
hist(total,20)
xlabel('Grade Total'), ylabel('Number of Grades')
title('Class Grade Distribution')