File list (Check if you may need any files):
Caculator\.classpath
.........\.project
.........\.settings\.jsdtscope
.........\.........\org.eclipse.jdt.core.prefs
.........\.........\org.eclipse.wst.jsdt.ui.superType.container
.........\.........\org.eclipse.wst.jsdt.ui.superType.name
.........\build\classes\servelets\Control.class
.........\.....\.......\....ice\Computer.class
.........\build.xml
.........\src\servelets\Control.java
.........\...\....ice\Computer.java
.........\WebContent\c.jsp
.........\..........\META-INF\MANIFEST.MF
.........\..........\WEB-INF\web.xml
.........\build\classes\servelets
.........\.....\.......\service
.........\WebContent\WEB-INF\lib
.........\build\classes
.........\src\servelets
.........\...\service
.........\WebContent\META-INF
.........\..........\WEB-INF
.........\.settings
.........\build
.........\src
.........\WebContent
Caculator