calculator\calculator.cpp
..........\calculator.h
..........\calculator.pro
..........\calculator.pro.user
..........\calculator.ui
..........\images\button-.png
..........\......\button-blue.png
..........\......\button-green.png
..........\......\button-purple.png
..........\......\button-red.png
..........\......\display.png
..........\......\star.png
..........\images.qrc
..........\main.cpp
..........\images
calculator