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谭浩强C程序设计第四版第9章习题答案,自己做出来的( C Programming Fourth Edition Chapter 9 Exercise answers, do it yourself)

使用ceres对曲线进行拟合程序，ceres可以从github下载；(Using ceres fitting program, Ceres can be downloaded github )

VB语音报数计算器源程序,有需要的就下载吧。(Talking Calculator VB source code, there is a need to download it.)

进行16进制多项式模运算，可用于多项式运算学习。(16 M-ary polynomial operation mode can be used for computing polynomial learning.)

日出日落计算,可以根据经纬度计算 日出日落时间(Sunrise and sunset calculations)

说明：  输入年份，判断是该年的那一天， 实现判断输入的正误！(Enter the year, is to determine the day of the year)

类似windows的计算器功能..有加减乘除乘方运算(Jun comparable number of windows cavity算器 .. bleed at the nose floor features Endure-effect pot算efficiency source side of bridge)

一个输入日期时自动判断合法性、补全格式的模块调用示例，有详细注释。(Automatically when an input to determine the legitimacy of the date, call up the whole format of the module example, there are detailed notes.)

一个关于十六进制数组动态创建的方法，对使用者在编写通信帧的时候很有用(An array of dynamically created on hexadecimal method, the users in the preparation of the communication frame is useful when)

模拟键盘输入，对VC++的响应机制可以有更加全面的认识，对指令的熟悉又帮助。(Simulated keyboard input, on the response mechanism of VC++ can have a more comprehensive understanding of familiar instructions to help.)