The user can add an category of assignments and assignments to the speardsheet.
Figure 2.4.1 A: Adding New Assignment / Category
After clicking the "New Assignment", the software shows the figure 2.4.1 B. In this dialouge the user can specify a name for the assignment and save it.
Figure 2.4.1 B: Adding New Assignment
Similarly, after clicking the "New Category", the software shows the figure 2.4.1 C. In this dialouge the user can specify a name of the category of assignments.
Figure 2.4.1 C: Adding New Category
Figure 2.4.1 D: After adding assignments and categories
Figure 2.4.1 E: Prepared assignment