计算机图形学原理及算法教程(VC++版)，比较经典的算法教程，不用过多介绍吧。-computer graphics theory and algorithms Guide (VC version), the classic comparison algorithm guides, not too much on it.

VB编写的机械原理齿轮范成原理计算机仿真模拟程序-VB Fan gear prepared by mechanical principles theory computer simulation program

VB编写的机械原理曲柄滑块运动过程计算机仿真程序-VB prepared by the mechanical principles of crank-slider motion process computer simulation program