Zhishu: Knowledge Tree

Reconnect the things you’ve learned. Zhishu starts with a single idea and grows as you learn. Revisit math, physics, chemistry, biology, geography, and history, then explore connections between subjects and introductory university topics. New branches appear as you build the foundations they need. Two levels for every skill Start with 8 questions in Level 1. Pass to unlock the next skills, then return for Level 2 to work on questions you haven’t answered correctly yet. Master the full set to turn the skill gold on your map. More practice, at your own pace Explore 720 skills with at least 20 questions each: 14,412 questions in all. Choose answers, put ideas in order, match pairs, read diagrams, and adjust values. Get a short explanation after each answer and open the study notes when you need a refresher. Pause any session and pick it up later. Learn in English or Chinese The full…