File list (Check if you may need any files):
calculator
..........\.classpath
..........\.project
..........\.settings
..........\.........\org.eclipse.jdt.core.prefs
..........\bin
..........\...\calculator
..........\...\..........\Calculator$DelAction.class
..........\...\..........\Calculator$addAction.class
..........\...\..........\Calculator$button0_Action.class
..........\...\..........\Calculator$button1_Action.class
..........\...\..........\Calculator$button2_Action.class
..........\...\..........\Calculator$button3_Action.class
..........\...\..........\Calculator$button4_Action.class
..........\...\..........\Calculator$button5_Action.class
..........\...\..........\Calculator$button6_Action.class
..........\...\..........\Calculator$button7_Action.class
..........\...\..........\Calculator$button8_Action.class
..........\...\..........\Calculator$button9_Action.class
..........\...\..........\Calculator$clearAction.class
..........\...\..........\Calculator$cosAction.class
..........\...\..........\Calculator$divAction.class
..........\...\..........\Calculator$dotAction.class
..........\...\..........\Calculator$eeAction.class
..........\...\..........\Calculator$equalAction.class
..........\...\..........\Calculator$facAction.class
..........\...\..........\Calculator$leftAction.class
..........\...\..........\Calculator$lgAction.class
..........\...\..........\Calculator$lnAction.class
..........\...\..........\Calculator$mcAction.class
..........\...\..........\Calculator$mulAction.class
..........\...\..........\Calculator$paiAction.class
..........\...\..........\Calculator$powerAction.class
..........\...\..........\Calculator$radicalAction.class
..........\...\..........\Calculator$remAction.class
..........\...\..........\Calculator$rightAction.class
..........\...\..........\Calculator$sinAction.class
..........\...\..........\Calculator$subAction.class
..........\...\..........\Calculator$tanAction.class
..........\...\..........\Calculator.class
..........\src
..........\...\calculator
..........\...\..........\Calculator.java