Open PowerGrade and select a class Classes Menu.

To add a new category to this class, choose Categories from the windows menu.

Now enter a name and abbreviation for the category and click the Accept button.

If you would like to edit an existing category, simply click on the category name on the left hand side of the window, then make the desired changes in the fields on the right side of the screen and click Accept.

Close the category window when you are through.