Description: This a Qt program to calculate the area of a circle as long as you enter the need to calculate the length of the radius of Qlineedit in, you can calculate the results
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File list (Check if you may need any files):
caculate circle areas\debug\Dialog.exe
.....................\.....\dialog.o
.....................\.....\main.o
.....................\.....\moc_dialog.cpp
.....................\.....\moc_dialog.o
.....................\dialog.cpp
.....................\dialog.h
.....................\Dialog.pro
.....................\Dialog.pro.user
.....................\main.cpp
.....................\Makefile
.....................\Makefile.Debug
.....................\Makefile.Release
.....................\debug
.....................\release
caculate circle areas