Phrases with phonetic and written characters, recorded by a native speaker. View detailed translations, save favorite words for review, and study vocabulary systematically.
Perform basic arithmetic and advanced scientific calculations. Solve equations, convert units, and use memory functions. Access a formula library and customize display settings for different calculation modes.
Learn with a dictionary for lookup, create and review vocabulary flashcards, and practice listening skills. Use the forgetting curve and SM-2 algorithm to review words scientifically and improve retention.
