一个大摆脚有阻尼的单摆的物理演示vb源程序，已编译好可演示，可设置摆角参数和阻力参数-a huge leg damping of the pendulum physics demonstration vb source, the compiler has to be a good demonstration can be set parameters and the angular parameters resistance

js processing , server creation

matlab编写的平面四杆铰链机构运动分析程序，可以分析平面四杆铰链机构的速度加速的角位移曲线，自带GUI(The planar four bar hinge mechanism motion analysis program written by Matlab can analyze the angular acceleration curve of planar four bar hinge mechanism and bring GUI.)