Hex2c

完成键盘的各种等功能 完成键盘的各种等功能(Completed a variety of features such as a keyboard to complete a variety of features such as keyboard)

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)

计算器，可进行四则运算，并且有符号位，退格，以及小数点。(Calculator, can be carried out in four operations, and the sign bit, backspace, and decimal point.)

sin()函数 给定一个弧度值或者任意数值，可以计算相应的sin值即正弦值(sin () function is given a value, or any value in radians, we can calculate the corresponding value of the sine value sin)

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版高级功能计算器，除了具有数学运算外，还包括三角函数、反三角函数、双曲三角函数、绝对值等运算，还可以进行一些比较复杂的表达式计算。它还有函数绘图、数据统计和自定义常数等功能。(VB version of the advanced features calculators, arithmetic addition, but also includes trigonometric functions,反三角函数, hyperbolic trigonometric functions, such as computing the absolute value can also be used for the expression of some of the more complex calculation. It also has function mapping, data and custom features such as constant.)

顺序表插入x值顺序表插入x值顺序表插入x值(Insert x value of the order sequence table table table is inserted into the x value of the order value of x)

说明：  一个很好的用VC++编写的"显示多姿多彩的动画图标"源代码.(A good written using VC++ &quot display colorful animated icons&quot source code.)

本程序可对EXCEL文件进行读写，同时建立了一个专门访问EXCEL文件的类CExcel，可供大家参考。(This procedure can be carried out on the EXCEL file to read and write, while the establishment of a specialized type of access EXCEL file CExcel, for your reference.)

说明：  win32 opengl画线,配置好了glut,h(Win32 opengl draws lines, and glut,h is configured)