Calculator

代码说明：

说明：  在linux环境下用Qt实现的一个简单的计算器程序，能够进行四则运算和带括号表达式的运算。(In Linux environment and implements a simple with Qt, can undertake the calculator procedures and four fundamental operations with parentheses expression computation.)

文件列表：

Calculator
..........\Calculator,446091,2010-11-01
..........\Calculator.pro,381,2010-10-29
..........\Calculator.pro.user,11481,2010-11-28


..........\edit-undo.png


..........\fileopen.png,854,2010-10-19
..........\gtk-find.png,964,2010-10-19
..........\gtk-open.png,854,2010-10-19
..........\gtk-quit.png,928,2010-10-19
..........\gtk-redo-ltr.png,1019,2010-10-19
..........\main.cpp,261,2010-10-19
..........\main.o,184164,2010-11-01
..........\mainwindow.cpp,10804,2010-11-01
..........\mainwindow.h,1105,2010-11-01
..........\mainwindow.o,318524,2010-11-01
..........\mainwindow.ui,10080,2010-11-01
..........\Makefile,7903,2010-10-30
..........\menu.qrc,566,2010-10-19
..........\moc_mainwindow.cpp,5236,2010-11-01
..........\moc_mainwindow.o,199580,2010-11-01
..........\player_record.png,1008,2010-10-19
..........\qrc_menu.cpp,77020,2010-10-30
..........\qrc_menu.o,21792,2010-10-30
..........\stock_copy.png,512,2010-10-19
..........\stock_paste.png,825,2010-10-19
..........\stop.png,1268,2010-10-19
..........\ui_mainwindow.h,13370,2010-11-01