The "Question book" mode enables students & teachers to collage pictures of questions from practice books or quiz sheets and create a question book. You can use it as follows:

1. Open a practice book or exam paper on the desk, open the camera of CS, and swipe to the "Question book" mode;

2. Align the frame in the camera with the question you want to shoot, take a picture and select the question to be saved, and click on the bottom right corner to save;

3. After confirming the trimming result, click “Continue” in the lower right corner to shoot the next question;

4. After the pictures of questions have been taken, click on the “Done” button in the upper left corner;

5. Continue to typeset the pictures in the generated question book (such as dragging and zooming in);

6. After confirming, click “Done” in the upper right corner to save the result.