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

     2.1. User Interface Overview
         2.1.1. Instructor
         2.1.2. TA
         2.1.3. Student
         2.1.4. Adding a Value
     2.2. Basic Gradebook Setup
         2.2.1. Manually Adding a Class
         2.2.2. Adding a Class via SIS
         2.2.3. Adding Categories to New Class
         2.2.4. Setting Final Grade Distribution
         2.2.5. Advanced Curve Setting
         2.2.6. Upload to SIS
         2.2.7. Upload to Server
     2.3. Managing Students
         2.3.1. Mid-Term Roster Synchronization
         2.3.2. Adding Students Manually
         2.3.3. Modifying Students
         2.3.4. Deleting Students
     2.4. Managing Graded Items
         2.4.1. Adding Items
         2.4.2. Modifying Items
             2.4.2.1 Due Date
             2.4.2.2 Allow Extra Credit
             2.4.2.3 Completing a Graded Item
         2.4.3. Deleting Items
         2.4.4. Grading Schemes
             2.4.4.1 Adding a Grading Scheme
             2.4.4.2 Deleting a Grading Scheme
             2.4.4.3 Modifying a Grading Scheme
     2.5. Viewing Details
         2.5.1. Statistics
         2.5.2. Expand/Collapse
         2.5.3. Sorting
         2.5.4. Filtering
     2.6. Graphs
         2.6.1. Histogram
         2.6.2. Pie Chart
         2.6.3. Bar Graph
     2.7. Student Functions
         2.7.1. Student Login
         2.7.2. Accessing Gradebooks
         2.7.3. Electronic Turnin
         2.7.4. Predicting Grades
     2.8. Administrative Details
         2.8.1. Server Set Up
         2.8.2. Authentications
         2.8.3. Posting and Retrieving Gradebooks
     2.9. Details of File Commands
     2.10. Details of Edit Commands
         2.10.1. Undo
         2.10.2. Redo
         2.10.3 Cut, Copy, Paste, and Delete
     2.11. Details of Error Conditions

These scenarios cover all functional requirements for the system.