pn451

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.)

可用于抽奖等需要临时随机抽号的场合（压缩包中详细的说明文档）(Can be used to draw random numbers that require temporary occasions (compressed package detailed documentation))

实现大小写互换，即输入大写子母程序会自动转成小写子母(Realization case swap)

说明：  用c语言实现电机仿真－基于恒定磁链的转子磁链控制。(Using c language realize electrical simulation- based on a constant flux of the rotor flux control.)

说明：  用EXCEL做的层次分析法(Analytic Hierarchy Process,简称AHP法) (EXCEL to do with AHP (Analytic Hierarchy Process, referred to as AHP method))

表达式计算器,方便用于无小键盘的笔记本,采用的算法可以计算复杂的表达式(Expression calculator, easy for non-small laptop keyboard, the algorithm can be used to calculate complex expressions)

合成孔径雷达（SAR)目标成像仿真，用于图像处理的独立分量分析，滤波求和方式实现宽带波束形成。( Synthetic Aperture Radar (SAR) imaging simulation target, Independent component analysis for image processing, Filtering summation way broadband beamforming.)

说明：  一个磁盘清理小程序，可以方便的用于进行磁盘清理。(A Disk Cleanup applet can be easily used for Disk Cleanup.)

expat lib and include files(expat lib)

对于c++的课程设计，自己做的，希望对大家有所帮助(For c++ Of curriculum design, own, and I hope all of you to help)