File list (Check if you may need any files):
calculator
..........\build
..........\.....\classes
..........\.....\.......\calculator
..........\.....\.......\..........\controller
..........\.....\.......\..........\..........\control.class
..........\.....\.......\..........\..........\Main.class
..........\.....\.......\..........\Main.class
..........\.....\.......\..........\model
..........\.....\.......\..........\.....\model.class
..........\.....\.......\..........\view
..........\.....\.......\..........\....\Button$1.class
..........\.....\.......\..........\....\Button.class
..........\.....\.......\..........\....\Main.class
..........\.....\.......\..........\....\Menu.class
..........\.....\.......\..........\....\Visualiser$1.class
..........\.....\.......\..........\....\Visualiser.class
..........\.....\empty
..........\build.xml
..........\manifest.mf
..........\nbproject
..........\.........\build-impl.xml
..........\.........\genfiles.properties
..........\.........\private
..........\.........\.......\private.properties
..........\.........\.......\private.xml
..........\.........\project.properties
..........\.........\project.xml
..........\src
..........\...\calculator
..........\...\..........\controller
..........\...\..........\..........\control.java
..........\...\..........\..........\Main.java
..........\...\..........\model
..........\...\..........\.....\model.java
..........\...\..........\view
..........\...\..........\....\Button.java
..........\...\..........\....\Menu.java
..........\...\..........\....\Visualiser.java
..........\test