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Articles in this section
- Required Email Address.
- Submitting a payment with PayPal.
- How do I switch the language of the course content.
- Adding additional licenses.
- Live Grading
- Search CET for me...
- How to switch between Course and Test Questions
- How to Submit answers from a book, on a mobile device
- How to Submit Answers from a book, online.
- Can I call in my answers?