并发程序设计，比较计算机系统处理并发和串行时，时间的花费，说明并行的优越性。程序用VC++6.0菜单式编程实现-Concurrent programming, comparing concurrent and serial processing computer system, the time spent, shows the superiority of the parallel. Program with VC++6.0 menu-driven programming

该计算器有两个主要部分，标准计算器和科学计算器，科学计算器功能尚未完成。 用的知识：按钮，菜单，布局，面板，窗口，事件，对话框，标签，单选钮。 有兴趣的读者可以完成剩下的功能。 -The calculator has two main parts, the standard calculator and a scientific calculator, scientific calculator function has not been completed. Knowledge:

用MATLAB软件绘制几个图形，栅格控制按钮、编辑框的使用、弹出式菜单。-Draw several graphics using MATLAB software, grid control button, use the edit box, pop-up menu.

用MATLAB软件绘制几个图形，滑标的使用、多选菜单、菜单控制的使用。-Several graphics drawn with MATLAB software, the use of a slider, multiple choice menus, menu control use.

用MATLAB软件绘制几个图形，UIMENU菜单的应用、除法计算器、单选框的使用。-Draw several graphics using MATLAB software, application UIMENU menu, calculator division, the use of a single box.