Allows users to take quizzes with 50 questions each. Each question has four options. Correct answers are highlighted in green, incorrect ones in red, and the correct answer appears in green. A summary shows the number of correct answers.
Take quizzes on Biology, Chemistry, Geography, and Physics. Explore 3D molecule structures and zoom into microscopic landscapes. Access daily and health news summaries.
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.