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 vocabulary through illustrated stories and example sentences. Review words based on forgetting curve for long-term retention. Access level-specific wordbooks for TOEIC, English exams, and conversation.
Learn 3800 TOEFL vocabulary words with audio support for listening practice. Track progress with bar graphs per rank and set. Review marked words for weak areas. Control audio playback via Apple Watch.