Listen to and download books in LKF format for offline playback. Features include fast forward, auto-stop, and support for wired and wireless headsets. Registration with a special library for the blind is required to access the collection.
Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.
Learn and mathematics through interactive animations. Explore gravitational fields, vibrations, waves, and electric currents. Study atomic and nuclear with visual simulations. View detailed explanations and diagrams for each topic.
