Question

what's the meaning of ichecker in some english books? please answer me soon . i need it . What's it short for? what's "I" here?

Answer 1

Seems to be a kind or part of a software that can help you check your progress:

Example (about the book American English file):

iChecker contains Progress Checks and Workbook audio material to develop learner independence and self-assessment

Comments

 شاید خودارزیاب یا خودسنج.