While you answer the different exercises the score is updated in the screen. Click End exercise & view score for more details:
Exercises: shows the total number of exercises.
Correct answers: the number of correct answers.
Wrong answers: the number of incorrect answers. If the option Retry in case of error is available and is selected, the number of answers may be larger than the number of exercises.
The formula used to calculate the score is: score = correct answers / number of answers x 100.
If you are a member, you can click Save Score to save your score to the database. You can check your scores by:
clicking Score after clicking the Save Score button
clicking your name in the menu bar and then Scores
following the Browse your scores link in the exercises index page