example
.......\Circle.doc
.......\Circle.txt
.......\Debug
.......\.....\exam8-3.obj
.......\.....\exam8-3.pch
.......\.....\exam8-3.pdb
.......\.....\exam8-4.obj
.......\.....\vc60.idb
.......\.....\vc60.pdb
.......\exam1-1.cpp
.......\exam1-2.cpp
.......\exam1-3.cpp
.......\exam10-1.cpp
.......\exam10-2.cpp
.......\exam10-3.cpp
.......\exam10-4.cpp
.......\exam10-5.cpp
.......\exam10-6.cpp
.......\exam10-7.cpp
.......\exam10-8.cpp
.......\exam10-9.cpp
.......\exam11-1.cpp
.......\exam11-4.cpp
.......\exam11-5.cpp
.......\exam11-6.cpp
.......\exam11-7.cpp
.......\exam11-8.cpp
.......\exam12-1.cpp
.......\exam12-10.cpp
.......\exam12-11.cpp
.......\exam12-2.cpp
.......\exam12-3.cpp
.......\exam12-4.cpp
.......\exam12-5.cpp
.......\exam12-6.cpp
.......\exam12-7.cpp
.......\exam12-8.cpp
.......\exam12-9.cpp
.......\exam2-1.cpp
.......\exam2-2.cpp
.......\exam3-1.cpp
.......\exam3-10.cpp
.......\exam3-11.cpp
.......\exam3-12.cpp
.......\exam3-2.cpp
.......\exam3-3.cpp
.......\exam3-4.cpp
.......\exam3-5.cpp
.......\exam3-6-1.cpp
.......\exam3-6.cpp
.......\exam3-7.cpp
.......\exam3-8.cpp
.......\exam3-9.cpp
.......\exam4-1.cpp
.......\exam4-2.cpp
.......\exam4-3.cpp
.......\exam4-4.cpp
.......\exam4-5.cpp
.......\exam4-6.cpp
.......\exam4-7.cpp
.......\exam5-1.cpp
.......\exam5-10.cpp
.......\exam5-11.cpp
.......\exam5-12.cpp
.......\exam5-13.cpp
.......\exam5-14.cpp
.......\exam5-2.cpp
.......\exam5-3.cpp
.......\exam5-4.cpp
.......\exam5-5.cpp
.......\exam5-6.cpp
.......\exam5-8.cpp
.......\exam5-9.cpp
.......\exam6-10.cpp
.......\exam6-11.cpp
.......\exam6-12.cpp
.......\exam6-14.cpp
.......\exam6-15.cpp
.......\exam6-16.cpp
.......\exam6-17.cpp
.......\exam6-18.cpp
.......\exam6-2.cpp
.......\exam6-3.cpp
.......\exam6-4.cpp
.......\exam6-5.cpp
.......\exam6-6.cpp
.......\exam6-7.cpp
.......\exam6-8.cpp
.......\exam6-9.cpp
.......\exam8-1.cpp
.......\exam8-10.cpp
.......\exam8-11.cpp
.......\exam8-12.cpp
.......\exam8-13.cpp
.......\exam8-14.cpp
.......\exam8-15.cpp
.......\exam8-16.cpp
.......\exam8-2.cpp
.......\exam8-3.cpp