Where can I fill in the chalk pc course code on the computer?

My course. Computers are commonly known as computers. The course code of chalk pc is in my course applet, so my course is filled in on the computer. The computer version of chalk vocational education is a sharp tool for marking public examinations, teachers' examinations, law examinations, postgraduate examinations, architecture and accounting examinations, and has been used by millions of users. Beijing Chalk Blue Sky Technology Co., Ltd. is specially designed for students.