The primary functionality Grader is for managing classes, assignments, and the grades students get on them. Grader operations are performed by two categories of users: teachers and students. Teachers can create and edit classes locally. Students can access exported class files for viewing only.

Following an overview of the Grader user interface, details of system use are presented in the following scenarios:

• a teacher creating a new class
• a teacher adding a student to an existing Class
• a teacher adding an assignment to a Class
• a user interacting with the Class Spreadsheet
• a user interacting with Grade Charts
• options view