Solve math quizzes with three categories: angle calculations, area problems, and number sequence puzzles. Progress through stages from basic to final challenges. Write notes on the screen. View hints for some questions.
Learn English with interactive textbook reading, pronunciation practice, and vocabulary building. Access audio lessons, animated scenes, and speech evaluations. Practice speaking through themed dialogues and receive feedback.
Record audio, get expert feedback, improve listening
Record and submit audio for professional feedback on pronunciation and listening skills. Access over 1000 lessons including native speaker content and exam prep materials.
Access and view sheet music for guitar and ukulele. Adjust scale and display for different screen sizes. Cache sheet music for offline use. Simplify chord notation for beginners. Change key to suit personal playing needs.
Practice spoken language with AI-powered conversation. Correct pronunciation at the phoneme level. Adjust dialogue difficulty and speed based on user skill. Support both Chinese and English input.
Play as a commoner in a historical war era, build a clan, and rise to power. Manage resources, marry historical beauties, and raise children. Participate in battle events and form alliances to change history.
Study for the driver's license theory exam with 1245 questions covering traffic laws and regulations. Practice basic and comprehensive exercises by subject. Review explanations for all answers. Focus on common mistakes and frequently tested topics.
Look up English words with spelling correction and katakana search. View definitions, parts of speech, pronunciation, examples, and related terms. Scan text with camera to search multiple words at once.
Learn common English phrases with 5 practical conversation examples each. Listen to native audio pronunciations and practice speaking with automatic grading. Access listening exercises, phrase playback, and pronunciation practice all for free.
Listen to native English phrases in 1460 scenes for travel, study, or work. Includes audio with explanations and background knowledge. Save and replay phrases using the "phrase playback" feature. All content and functions are available for free.
Learn Japanese kanji for levels 2 through 6 with writing exercises, reading practice, and vocabulary. Explore four categories including idioms and radicals. Play two modes: survival for timed scoring and full question mode for comprehensive review.