Learn about through quizzes on topics like Semiconductor Switches, Rectifiers, and Control System Essentials. Test knowledge with interactive questions. Track progress and review answers for each topic.
by Forwa Elade Wunde★ 5.01 ratingsEducationFreeData updated 2026-09-06
Create and share digital stories with text, images, and audio. Collaborate in real-time with classmates. Access lesson plans and teacher guides. Export stories in multiple formats and publish online.
Offers interactive pages with animations and sounds. Users can choose from classic draw, glow effect, color by number, and pixel art modes. Features include offline access, no ads, and simple controls for safe, uninterrupted play.
Practice multiple-choice questions with self-assessment tests. Review answers and notes for exam preparation. Access trivia questions and answers for engineering students. Sync with virtual classroom exams.
Calculate circuits, convert units, test experiments
Solve electrical problems by calculating voltage, current, and resistance. Input values to determine unknown variables. Perform unit conversions and conduct experiments. Store and retrieve calculation results.
Drums lets users select from three drummers with distinct styles. Adjust jam level and intensity using a 2D slider. Save mixer and effects settings for each sound bank. Toggle ride/hats and cross stick/snare options.
Solve physics-based puzzles by building structures with blocks, wheels, and circuits. Navigate levels featuring bridges, cars, and robotic creatures. Use electricity and mechanics to progress through challenging environments.
Manage traffic at crossings by adjusting gates based on train approach and direction. Use yellow arrows to signal when to open gates. Control two crossings and ensure safe passage for vehicles. Track progress and improve reaction time.
Design and test electronics projects in a virtual workspace. Simulate circuits using over 150 components and 1,000 reference boards. Adjust 3D models and view physics-based interactions. Export project data and share designs.
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
Graph equations and calculate advanced math functions
Graph functions with support for multiple equations and color differentiation. Plot up to ten functions simultaneously. Use touch gestures to zoom and trace graphs. Perform calculations using natural textbook notation and advanced math commands.
Play a turn-based artillery game against opponents. Adjust angles and power to hit targets. Customize with weapons and upgrades. Compete in local multiplayer or online matches. Practice shooting in target mode.
Convert units across 16 categories with 173 units and 2162 conversions. Perform calculations for field strength, resistance, capacitance, and more. Access 62 calculators via in- purchase.
Play along with pre-recorded drum loops from Jazz to Rock. Practice with a virtual drummer that adjusts tempo and swing. Use the smart metronome with clave and swing regulator features.
Fly through San airspace with 24 aircraft and multiple airports. Choose weather conditions like wind, rain, or clear skies. Navigate the city skyline, including the Golden Gate Bridge, during different times of day.
Learn about film photography principles, including camera types like Instants and Point-and-Shoot. Explore film camera mechanics, develop processes, and understand exposure settings.