File list (Check if you may need any files):
Caculator
.........\.classpath
.........\.project
.........\bin
.........\...\Caculator$1.class
.........\...\Caculator$NumPanel.class
.........\...\Caculator$OperationPanel.class
.........\...\Caculator.class
.........\...\CaculatorApplet.htm
.........\...\java.policy.applet
.........\src
.........\...\Caculator$1.class
.........\...\Caculator$NumPanel.class
.........\...\Caculator$OperationPanel.class
.........\...\Caculator.class
.........\...\Caculator.java
.........\...\src_caculator.txt