对于包含有函数sin、cos、tan、cot、sqrt、asin、acos、atan、log，和运算符+(加)、-(减)、*(乘)、/(除)与^(幂次)的字符串进行解析。可以解析出变量名，由用户赋值然后求表达式的值。

Packet : Computer.zip filelist
Computer/Computer.clw
Computer/Computer.cpp
Computer/Computer.dsp
Computer/Computer.dsw
Computer/Computer.h
Computer/Computer.rc
Computer/ComputerDlg.cpp
Computer/ComputerDlg.h
Computer/EditArray.cpp
Computer/EditArray.h
Computer/my.h
Computer/res/
Computer/res/bitmap1.bmp
Computer/res/Computer.ico
Computer/res/Computer.rc2
Computer/res/downd.bmp
Computer/res/downu.bmp
Computer/res/downx.bmp
Computer/res/ico00001.ico
Computer/res/icon1.ico
Computer/res/ok.bmp
Computer/res/upd.bmp
Computer/res/upd1.bmp
Computer/res/upu.bmp
Computer/res/upx.bmp
Computer/Resource.h
Computer/StaticArray.cpp
Computer/StaticArray.h
Computer/StdAfx.cpp
Computer/StdAfx.h
Computer/StringResolution.cpp
Computer/StringResolution.h
Computer/
Computer/Computer.exe

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