Control train traffic by managing schedules and directing trains to their destinations. Use a graphical interface to monitor station layouts and adjust routes. Set priorities and resolve conflicts to ensure safe train movements.
Quiz allows users to test knowledge on and topics. Features include answering multiple-choice questions on AC/DC, analog/digital converters, op-amps, and arithmetic circuits. Track progress and review answers for better understanding.
Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.
Create structures for tree houses, ferris wheels, and more using a blueprints editor. Simulate designs with a physics engine to test strength and cost efficiency. Undo mistakes and adjust scale with zoom controls.
Track satellite passes using augmented reality. View the International Space Station, Starlink Trains, and other satellites in real time. Overlay positions on the night sky via iPhone or iPad camera.
Practice DMV tests with realistic question formats. Review incorrect answers and explanations. Track progress over time. Take tests offline in any location. Set personal study goals and monitor completion status.
Learn sonography with interactive cases and pathologies. Practice on an expanding library of patients. Follow scan tutorials for proper probe movements. Label anatomy with colored structures for clarity. Simulate scans for training.
Prepare for ® or -D® exams with 1500+ -style questions and 600+ flashcards for faster memorization. Access multiple practice exams to test knowledge. Track progress and review answers for improvement.
The app trains reading notes on all 88 keys within various key signatures. It offers customizable practice options for different skill levels and tracks user progress with informative graphs.
Simulate particle interactions with adjustable parameters. Observe complex patterns emerging from simple rules. Explore bionic systems through visual dynamics. Analyze group behavior in natural and artificial environments.
Prepare for the RBT with 1500 customized questions and 500 flashcards. Access multiple practice exams. Track progress and review answers. Study materials align with BACB guidelines. Submit answers and receive immediate feedback.
Practice flying RC helicopters and drones with realistic flight simulations. Adjust controls to mimic real models. Learn to navigate through virtual fields. Crash test models without real-world consequences.