For NIU teacher Homework Chen teacher Homework supplement (Lao Chen, the typical user of small stone, use case diagram, Scene)

Typical users

Name: Small Stone

Gender: Male

Occupation: Second Grade primary school student

Income: None

Knowledge level Ability: Second grade in primary school

Living/Working conditions: Parental support, no work

Motivation, purpose, difficulty: Want to test your own computational speed

User preferences: Play,

Typical scenario: After coming home from school, Lao Chen learned about his study

Typical description: The higher the correct rate, the better the small stone study

Name: Lao Chen

Gender: Male

Occupation: University teacher

Revenue: 5000/month

Knowledge level ability: Undergraduate degree

Life/Work Situation: happy life, good work

Motivation, purpose, difficulty: Want to test a child's learning

User preferences: computer-specific research,

Typical scenario: After school comes home, solve the vacancy that cannot tutor the child

Typical description: The higher the correct rate, the better the small stone study

Scene

As a student of computer application, I hope to design a program that can be automatically arithmetic in the specified time and can automatically judge right and wrong, so that we can test the children's learning situation at home.

As a father, the child is expected to use this procedure in order to better tutor the child in learning.

As a student, want to use this program in the prescribed time to make a question, finish can directly appear the calculation rate, so that know their learning situation.

Use case diagram

For NIU teacher Homework Chen teacher Homework supplement (Lao Chen, the typical user of small stone, use case diagram, Scene)