■ Duplicate use with two phones is not possible.■ It cannot be used in conjunction with web course registration.■ Menu structure1. Notice2. Inquiry - Inquiry on the details of open subjects (search for majors, non-majors, subjects) - Inquire about shopping cart details - Inquiry on course registration details3. Shopping Cart - Request for inquiry of open courses (search for majors, non-majors, subjects) - Direct input of course number - Inquiry/application for open courses - View/delete shopping cart4. Course registration - Shopping cart inquiry/application - Inquiry/application for open courses (major, non-major, subject search) - View/delete course registration - Timetable inquiry