The round blue ball symbol. Just to the right (I think) of the exit key. Click the ball and it will display all the Q's. Each needs a red check mark. Click the box missing the check.

Good luck. Even with all checked, I still had two systems which refused to show complete. The exams at the bottom are tougher than the quiz questions. I believe this is intentional and is designed to get you into the book...er...iPad.

Nice big printer in IAH CPO will provide u with a paper FM if you'd rather go that route. Double sided too!