Kang Xuan's "Turning the Graph" makes the model move, and it is easy to learn graphics by turning the angle of view and interactive observation.
Features︰ 1. Provide a variety of models in conjunction with the textbook legend. 2. Flip the model arbitrarily and observe the model changes. 3. Use the perspective menu to quickly go to a specific angle. 4. Switch the transparent mode and view the model hidden structure. 5. Colors are freely matched to enhance the observation.