File list (Check if you may need any files):
Calculator
..........\build.xml
..........\manifest.mf
..........\nbproject
..........\.........\build-impl.xml
..........\.........\genfiles.properties
..........\.........\private
..........\.........\.......\private.properties
..........\.........\.......\private.xml
..........\.........\project.properties
..........\.........\project.xml
..........\src
..........\...\calculator
..........\...\..........\Calculator.java
..........\...\..........\CalculView.java
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