File list (Check if you may need any files):
calculate\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\AndroidManifest.xml
.........\bin\AndroidManifest.xml
.........\...\classes\calculate\proj\BuildConfig.class
.........\...\.......\.........\....\CalculateActivity$1.class
.........\...\.......\.........\....\CalculateActivity$2.class
.........\...\.......\.........\....\CalculateActivity$3.class
.........\...\.......\.........\....\CalculateActivity.class
.........\...\.......\.........\....\R$attr.class
.........\...\.......\.........\....\R$drawable.class
.........\...\.......\.........\....\R$id.class
.........\...\.......\.........\....\R$layout.class
.........\...\.......\.........\....\R$string.class
.........\...\.......\.........\....\R.class
.........\gen\calculate\proj\BuildConfig.java
.........\...\.........\....\R.java
.........\proguard.cfg
.........\project.properties
.........\res\drawable-hdpi\ic_launcher.png
.........\...\.........ldpi\ic_launcher.png
.........\...\.........mdpi\ic_launcher.png
.........\...\layout\calculate_layout.xml
.........\...\......\main.xml
.........\...\values\strings.xml
.........\src\calculate\proj\CalculateActivity.java
.........\bin\classes\calculate\proj
.........\...\.......\calculate
.........\gen\calculate\proj
.........\src\calculate\proj
.........\bin\classes
.........\...\res
.........\gen\calculate
.........\res\drawable-hdpi
.........\...\drawable-ldpi
.........\...\drawable-mdpi
.........\...\drawable-xhdpi
.........\...\layout
.........\...\values
.........\src\calculate
.........\.settings
.........\assets
.........\bin
.........\gen
.........\res
.........\src
calculate