Access vocabulary, grammar, and collocations with corpus-based examples. Look up words, view synonyms, and explore usage in context. Save notes and bookmark entries for later review. Sync with Apple Health.
Study for the CDL exam with real questions and detailed explanations. Track progress with built-in quizzes and review tools. Access updated material for and driving scenarios specific to commercial vehicles.
Find and ride mountain bike trails in , including Half Nelson, Recycle, Powerhouse Plunge, and Crouching Squirrel Hidden Monkey. Explore newer trails like Rupert and Meadow of the Grizzly.
This digital field guide covers over 930 bird species found in Costa Rica. It offers identification details, range maps, and habitat information, functioning offline for birding trips.
Record and visualize physical phenomena using smartphone or tablet sensors. Measure sound, motion, light, and temperature. Connect external sensors like micro:bit and Arduino for advanced experiments.
