The intelligent education software have brought much excitement into the computer-based teaching community, become more important in many mathematics curricula, take the Supper Sketch Pad (SSP) for example, which can help many students to learn new knowledge effectively, to retrieval knowledge easily. Firstly, this paper discusses the knowledge of dynamic geometry, introduces the free version of SSP in Chinese. Secondly, it emphasizes on retrieval new knowledge by geometric invariant, and automatic reasoning using SSP. Finally, it shows appli...
