Review cards using spaced repetition based on the Ebbinghaus forgetting curve. Set custom review schedules and pause plans for specific goals. Highlight text, hide key terms, and create math formulas in cards. Organize with folders, tags, and colors.
by 玉栋 侯★ 4.6101 ratingsProductivityFreeData updated 2026-09-20
Supports traditional Chinese characters. Allows word-based input. Enables phrase input for faster typing. Supports simultaneous two-character input for improved efficiency.
Calculate personal income tax with nine types of tax calculations, displaying formulas and methods clearly. Store tax documents as images or videos. Track income and expenses with a ledger. Access tools like compass, flashlight, and level.
