100-Year QA-Textbook Versions
✓ Thirty-four new modules have been added
✓ The Basic and Advanced sections of each module have been merged into one Theory section
✓ The quiz has been redesigned – the number of questions has increased, but the quiz is now easier to pass, as you only need to get 75% of the answers right
✓ More homework is added
✓ Fixed incorrect display of the textbook on iOS devices (for all versions of the textbook)
✓ Textbook published for the first time!
Try previous textbook version if you lost progress on the current one.
See #01.1 Textbook Overview, chapter “Do you want to save your progress?”.