Design and Implementation of Three Different Methods for Announcing Exam Grades on the Web

After the emergence of modern technologies in the field of information technologies (IT), virtual learning has attained a new form. The way of announcing examspsila grades is an important topic in e-learning. For announcing examspsila grades on the Web, various methods have been proposed. In this paper, first some common methods for announcing studentspsila grades are reviewed, then three new methods which are named "virtual grade", "steganography grades", and "grade HIP" are introduced and the result of implementing these methods for announcing the grades of some courses at the some Iranian universities are provided. Also these methods and their results are analyzed. Finally these three new methods are compared with other methods.