File list (Check if you may need any files):
Calputer
........\bak
........\...\calputer
........\...\........\CalFrame.java~10~
........\...\........\CalFrame.java~11~
........\...\........\CalFrame.java~2~
........\...\........\CalFrame.java~3~
........\...\........\CalFrame.java~4~
........\...\........\CalFrame.java~5~
........\...\........\CalFrame.java~6~
........\...\........\CalFrame.java~7~
........\...\........\CalFrame.java~8~
........\...\........\CalFrame.java~9~
........\Calputer.html
........\Calputer.jpx
........\Calputer.jpx.local
........\Calputer.jpx.local~
........\classes
........\.......\calputer
........\.......\........\CalApp$1.class
........\.......\........\CalApp.class
........\.......\........\CalFrame.class
........\.......\........\CalFrame_btn0_actionAdapter.class
........\.......\........\CalFrame_btn1_actionAdapter.class
........\.......\........\CalFrame_btn2_actionAdapter.class
........\.......\........\CalFrame_btn3_actionAdapter.class
........\.......\........\CalFrame_btn4_actionAdapter.class
........\.......\........\CalFrame_btn5_actionAdapter.class
........\.......\........\CalFrame_btn6_actionAdapter.class
........\.......\........\CalFrame_btn7_actionAdapter.class
........\.......\........\CalFrame_btn8_actionAdapter.class
........\.......\........\CalFrame_btn9_actionAdapter.class
........\.......\........\CalFrame_btnAdd_actionAdapter.class
........\.......\........\CalFrame_btnBack_actionAdapter.class
........\.......\........\CalFrame_btnCE_actionAdapter.class
........\.......\........\CalFrame_btnClear_actionAdapter.class
........\.......\........\CalFrame_btnDiv_actionAdapter.class
........\.......\........\CalFrame_btnDot_actionAdapter.class
........\.......\........\CalFrame_btnEqu_actionAdapter.class
........\.......\........\CalFrame_btnMod_actionAdapter.class
........\.......\........\CalFrame_btnSub_actionAdapter.class
........\.......\........\CalFrame_btnTimes_actionAdapter.class
........\.......\........\CalFrame_jTextField1_actionAdapter.class
........\.......\package cache
........\.......\.............\calputer.dep2
........\src
........\...\calputer
........\...\........\CalApp.java
........\...\........\CalFrame.java