example
.......\calculous.cpp
.......\calculous.dsp
.......\calculous.dsw
.......\calculous.ncb
.......\calculous.opt
.......\calculous.plg
.......\Debug
.......\.....\calculous.exe
.......\.....\calculous.ilk
.......\.....\calculous.obj
.......\.....\calculous.pch
.......\.....\calculous.pdb
.......\.....\vc60.idb
.......\.....\vc60.pdb