[Retracted] An English Online Homework Tutoring System Supported by Internet Database

Table 1

Compatibility test description.

Use case number	D001	D002	D003	D004	D005
Use case description	IE6 + browses the system	Firefox browses the system	Safari browses the system	Chrome browses the system	Opera browses the system
Operation	Run the system using Internet Explorer 6	Run the system using the Firefox browser	Run the system using the Safari browser	Run the system using the Chrome browser	Run the system using the Opera browser
Expected	Normal operation display	Normal operation display	Normal operation display	Normal operation display	Normal operation display