cgpa_calculator.m

total_units = 0;
total_points = 0;

total_years = input('How many years do you want to calculate for?:');

% for loop to calculate the gpa of all the years
for year = 1:total_years
    fprintf('Calculating for year %d\n', year);
    number_of_courses = input('Enter number of courses offered: ');
    
    session_total_units = 0;
    session_total_points = 0;
    
    for i = 1:number_of_courses
        course = input('Enter course code: ', 's');
        unit = input('Enter unit for course: ');
        grade = input('Enter grade for course (A-F): ', 's');
        
        switch grade
            case 'A'
                point = 5;
            case 'B'
                point = 4;
            case 'C'
                point = 3;
            case 'D'
                point = 2;
            case 'E'
                point = 1;
            case 'F'
                point = 0;
        end
        
        session_total_units = session_total_units + unit;
        session_total_points = session_total_points + (point * unit);
    end

    % calculate the GPA for the session
    session_gpa = session_total_points / session_total_units;

    fprintf('GPA for year %d is %.2f\n', year, session_gpa);

    total_units = total_units + session_total_units;
    total_points = total_points + session_total_points;
end

% Calculate the CGPA
cgpa = total_points / total_units;

% Display the CGPA
fprintf('Your CGPA is %.2f\n', cgpa);