Study for the SOS exam with practice tests, flashcards, and quizzes. Review traffic laws, road signs, and safe driving practices. Complete vehicle inspection and control modules.
The app provides images and usage descriptions for all 40 international code flags. It includes a quiz for memorization and the complete International Code of Signals document for reference.
The app provides a visual representation of the Drake Equation. Users can explore galaxies and manipulate the equation's parameters to perform thought experiments about extraterrestrial civilizations.
Set with structured check-ins and instant feedback. Miss a check-in and distracting apps are paused. Track progress and receive motivational prompts to stay committed.