51354069calculator

用beep蜂鸣器写的婚礼进行曲，循环播放》。(music from beep )

采用c语言设计平键，校核平键的强度，实现人机交互，用户有较大的选择余地(Flat key design using c language, check the strength of flat keys, to achieve human-computer interaction, users have greater choice)

LED 圣诞树，圣诞节的礼物~多种颜色的LED灯装扮成闪闪发光的圣诞树(LED Christmas trees, Christmas gift- the colors of the LED lights to dress up as a shining Christmas tree)

说明：  vs2015编程，图书馆管理系统，界面登录，借书系统。连接了数据库（SQL SERVER2014)。还书系统，超期罚款等等(Vs2015 programming, library management system, interface login, library system. Connected to the (SQL SERVER2014). Book system, overdue fine and so on)

excel文件操作源代码，用OLE实现的(excel file manipulation source code, using OLE realize the)

自宣言型记时器，可以自定义记时方式，标题，时间长度等。(Since the Declaration type chronograph, you can customize chronograph, title, time, length and so on.)

VB显示最近打开的文件记录,有需要的就下载吧。(VB show records of recently opened files, there is a need to download it.)

Word segmentation using dictionary.

用C++编写的成绩管理系统，实现成绩的输入查找，修改和求方差等功能(Prepared with C++ performance management system, to achieve results Enter search, modify and seek variance functions)

一个复杂的工程通常可以分解成一组小任务的集合,不错(A complex project can usually be broken down into a collection of small tasks.)