nr_quadratic

长整数运算(双向链表),实现长整数无限长加减法的运算(Long integer (two-way linked list), to achieve long-integer addition and subtraction of infinite computing)

非常经典的C++程序，十分实用对于练习程序来说。(good programme)

利用pscad建立的交流电弧炉自定义模型，是一个很好的程序(The AC EAF using pscad established custom models, is a good program)

这是一款基于VC++6.0平台的电话簿管理系统，适合广大C++初学者借鉴学习。(This is a platform based on the VC++6.0phone book management system, suitable for C++ beginners to learn from.)

这是一个关于PIC系列单片机及CPLD等的相关学习资料。方便大家了解不同系列的微控制器件。(This is a study on PIC MCU and CPLD and other relevant learning materials. To facilitate a better understanding of different series of micro-control devices.)

说明：  可求任意长整数的加减法，输入格式为1，1111，1111类型的格式(Rectifiable arbitrary long integer addition and subtraction, enter the format type of format 1,1111,1111)

封装实现了 多线程操作、TCP/IP操作、运算符重载等。(Package which enables multi-threaded operation, TCP/IP operations, operator overloading, and so on.)

电力系统监测组件，显示电动机的控件的源代码。(N/A)

鼠标键盘录制回放p打开保存文件的类模块的源码(Mouse and keyboard recording playback p open class module of the source code for save the file)

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)