This a simple calculator code, the use of VC++ Development tools, the use of MFC development, I hope we are a bit more with

testCOM4
........\testCOM4
........\........\COM_Comu.lib
........\........\COM_Intercommunion.h
........\........\Debug
........\........\maintest.c
........\........\Release
........\........\resource.h
........\........\testCOM4.aps
........\........\testCOM4.rc
........\........\testCOM4.vcproj
........\testCOM4.ncb
........\testCOM4.sln

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