Collect and save interesting to a personal word book. Add definitions, example sentences, and audio pronunciations. Organize into custom lists and review them for memorization. Share with others or export as formatted text.
Learn concepts through interactive lessons and quizzes. Practice identifying triangle types, calculating internal angles, and applying the triangle inequality. Calculate areas of triangles and equilateral triangles.
Learn vocabulary through match-3 gameplay and word puzzles. Swipe left for unknown words, right for known ones. Automatically add unknowns to a flashcard list. Sync with multiple languages and subjects.
