File list (Check if you may need any files):
calculator\.classpath
..........\.project
..........\.settings\org.eclipse.jdt.core.prefs
..........\bin\Calculator$1.class
..........\...\Calculator.class
..........\...\MyMain.class
..........\...\NumberButton.class
..........\...\OperatorButton.class
..........\source\%.wav
..........\......\+.wav
..........\......\--.wav
..........\......\-.wav
..........\......\0.gif
..........\......\0.wav
..........\......\1.gif
..........\......\1.wav
..........\......\2.gif
..........\......\2.wav
..........\......\20.jpg
..........\......\3.gif
..........\......\3.wav
..........\......\4.gif
..........\......\4.wav
..........\......\43.jpg
..........\......\5.gif
..........\......\5.wav
..........\......\6.gif
..........\......\6.wav
..........\......\7.gif
..........\......\7.wav
..........\......\8.gif
..........\......\8.wav
..........\......\9.gif
..........\......\9.wav
..........\......\=.wav
..........\......\div.wav
..........\......\mul.wav
..........\......\pot.wav
..........\......\^.wav
..........\......\^^.wav
..........\.rc\Calculator.java
..........\...\MyMain.java
..........\.settings
..........\bin
..........\source
..........\src
calculator