Lao Chen and the small stone

(1) Typical stories

Name	Lao Chen
Age	45 years old
Occupational	Teachers
Knowledge levels and Competencies	Bachelor degree, able to operate computer skillfully
User Preferences	Surf the internet to find information, read books
User ratio	50%
Typical scenario	Tutoring your child to complete homework
Typical description	Want more free time

Name	Small Stone
Age	8 years old
Occupational	Pupils
Knowledge levels and Competencies	Second-year primary school students can complete the double-digit connection minus, can simply operate the computer
User Preferences	Play games, watch TV
User ratio	50%
Electro-type scene	Finish your homework and ask your parents for help when you have trouble
Typical description	Finish your homework after you go home

(2) Scene use case diagram

(3) User Stories

Lao Chen: As a parent who can skillfully operate a computer, I hope this software will give you arithmetic questions to help you to save more time.

Small stone: As a pupil, I hope to help me through the computer to finish the homework, and can give me the evaluation of the completion of the homework, so that I better understand their learning situation.

(4) Scene

1, Lao Chen: A writing assignment B modify homework b Let the small stone do a question C to give evaluation

2, small stone: A To do a question B test the answer C check the results of the questions

Lao Chen and the small stone