Please log in before using these tools.
These tools enable you to save your answers to take the test later. Let's say that it is too late and you need to shut down your computer. You've already entered 20 answers and the test has 40 questions. Click on the "Save" button (it is above the first question). On the next day (or later - your answers are stored for 5 days), go back to the page and click on "Load". Your answers are back and you can enter more answers.
To go back to this test, go to the page with your marks and click on "go back to my saved test".