File list (Check if you may need any files):
计算器2
.......\Backup of 计算器.PCB
.......\Backup of 计算器.Sch
.......\Backup of 计算器双面板.PCB
.......\jisuanqi.Bkp
.......\jisuanqi.ddb
.......\Last Loaded 计算器2.DBK
.......\Previous Backup of 计算器.PCB
.......\Previous Backup of 计算器.Sch
.......\Previous Backup of 计算器双面板.PCB
.......\计算器2
.......\计算器2.c
.......\计算器2.DSN
.......\计算器2.hex
.......\计算器2.LST
.......\计算器2.M51
.......\计算器2.OBJ
.......\计算器2.Opt
.......\计算器2.plg
.......\计算器2.PWI
.......\计算器2.Uv2
.......\计算器2_Opt.Bak
.......\计算器2_Uv2.Bak