The app presents articles on physics, radio physics, and electronics. It explains concepts like Ohm's law and transistors, offering practical advice and calculators.
Study guide for driving exams. Access 800 official exam questions with explanations. Use training modes like topic-based or by tickets, exam mode, error review, and more. Participate in online competitions. Zoom in on images with a tap.
Study for maritime exams with Delta Test Convention Plus. Access questions and answers updated for . Practice tests by role including captain, deck officer, engineer, and crew. Review explanations and track progress.
