File list (Check if you may need any files):
简易计算器\deal_key.c
..........\initial.h
..........\clear 0
..........\calculator.lnp
..........\calculator.M51
..........\calculator.plg
..........\calculator_Uv2.Bak
..........\Key.h
..........\Lcd1602.h
..........\main.c
..........\judge_weishu
..........\judge_weishu.LST
..........\judge_weishu.OBJ
..........\calculator.Uv2
..........\display.c
..........\main.LST
..........\main.OBJ
..........\deal_key.LST
..........\deal_key.OBJ
..........\display.LST
..........\display.OBJ
..........\calculator
..........\calculator_Opt.Bak
..........\calculator.Opt
简易计算器