Learn to read, listen, and live with adaptive flashcards and leveled content. Practice vocabulary through spaced repetition. Access graded articles, dialogues, and stories filtered to your skill level. View pinyin and translations instantly.
Decode FT8 signals from audio or SDR sources. Support Level 1 decoding for standard callsigns or 13-character text. Generate FT8 message audio for testing. View decoded messages and metadata.
Characters through recall and recognition exercises to improve long-term memory. Practice with HSK 5 vocabulary, including 1300 words. Access audio for each word. Support for simplified and traditional characters.
Provides instant of books, analyzes characters and themes, and answers questions about content. Users can explore symbolism and key elements. The enhances reading comprehension and offers detailed insights.
And characters through a simple, fast method. Practice with flashcards, repeat audio, and progress tracking. Review characters in order or random mode. Set personal study goals and monitor completion.
Learn about European with interactive quizzes on topics like capital cities, flags, and population. Test knowledge on map locations, coat of arms, and country abbreviations. Customize quizzes to select specific and topics.
Learn the NATO and LAPD alphabets through interactive quizzes. Match letters to their corresponding words. Test knowledge with multiple-choice questions. Review correct answers and explanations. Track progress over time.