A Software KeTCindy which can draw figures in TeX
- KeTCindy is a tool which can draw figures in TeX easily.
- An interactive geometry software Cinderella makes plotting data and changes those to plotting data of TeX.
- A figure TeX file has small capacity and can be sent at high speed because plotting data are described by tpic specials codes.
- Only free software is used.
Examples of Figures in Teaching Materials