C 开发的有限元软件，界面还可以，不错，可以试试。 FElt is a free system for introductory level finite element analysis. It is primarily intended as a teaching tool for introductory type courses in finite elements - probably in the mechanical/structural/civil fields. I

光像素栅格自动、半自动矢量化的软件。配合gis软件使用的神器，大大降低人工矢量化时间。-Able Software R2V combines the power of intelligent automatic vectorizing technology with an easy-to-use, menu-driven, graphical user interface in the Microsoft Windows 9x and NT environment. The sof