Calculator in C

具有记忆以及错误报警功能的密码锁的protel原理图 c源码(Has the memory and error reporting function of combination lock c source code )

Driver template 32 and 64 bit, Visual studio 2008-2010

导航类综述性文章，包括MEMS微型惯导综述，单兵自主导航技术等，以及视觉导航综述(Navigation review articles, including MEMS micro-inertial review, individual autonomous navigation technology, and visual navigation overview)

有n个整数，使其前面各数顺序向后移m个位置，最后m个数变成最前面的m个数-a n integers, and so few in front of the order of 000 m backward shift position, the final number m m into the forefront Number

说明：  基于OLED STM32F103 SPI基本驱动程序(Based on OLED STM32F103 SPI basic driver)

基于51单片机实现倒车雷达测距系统，可直接在keil上编译生成.hex文件然后下载到单片机上运行(achieving a reversing radar ranging system based on 51 MCU,you can compile the .c file on keil software and you will get a .hex file,which should downloaded into the 51MCU and the system can operate well)

介绍了关于memory的相关函数，对于大多数程序员有很大帮助，希望大家多多使用(the information about memory)

基于stm32f103的蓝牙串口透传模块，与安卓手机app共同使用。(bluetooth for stm32f103)

C# 为窗体控件添加浮动的帮助信息框，private void Form1_Load(object sender, EventArgs e) 　　{//为窗体控件添加浮动的帮助信息框 　　 //在标题栏上显示帮助按钮 　　 this.HelpButton = true; 　　 this.MaximizeBox = false; 　　 this.MinimizeBox = false; 　　 //指定显示指定控件的帮助信息 　　 this.helpProvider1.SetShowHelp(this.textBox1, true); 　　 //指定与指定的控件关联的帮助字符串 　　 this.helpProvider1.SetHelpString(this.textBox1, "包括科目编码和科目名称"); 　　 this.helpProvider1.SetShowHelp(this.textBox2, true); 　　 this.helpProvider1.SetHelpString(this.textBox2, "输入数据包括分节号"); 　　 this.helpProvider1.SetShowHelp(this.textBox3, true); 　　 this.helpProvider1.SetHelpString(this.textBox3, "输入数据包括分节号"); 　　 this.helpProvider1.SetShowHelp(this.textBox4, true); 　　 this.helpProvider1.SetHelpString(this.textBox4, "输入数据包括分节号"); 　　 this.helpProvider1.SetShowHelp(this.textBox5, true); 　　 this.helpProvider1.SetHelpString(this.textBox5, "期末余额=期初余额+本期发生额"); 　　}

关于通讯长联结、短链接的程序，标准、实用。-long on communication link, the link short procedures, standards and practical. Well good! !