Find answers to common questions
Go to Account settings and click "Change Password" to reset your password.
Your score shows correct answers out of total questions. Accuracy is that result as a percentage, and you earn the same number of points as your accuracy (for example, 8/10 correct is 80% and earns 80 points).
Overall accuracy uses every question you have answered. Your 30-day progress compares your recent accuracy with the previous 30 days.
Yes, you can retake any quiz as many times as you want to improve your score.
Achievements are earned by completing quizzes, reaching score milestones, and learning consistently.