About TAKENOUCHI KAZUKI
About FUKUDA KOICHI
About Science
About drafting
About three dimension
About graphical solution
About CAD
About computational geometry
About image processing system
About sphere
About circular cone
About circle
About tangential line
About mathematical property
About descriptive geometry
About System and control theory in general
About CAD,CAM
About Graphic and image processing in general
About 幾何学
About 3次元
About 問題
About 幾何
About 定理