Calculated using the keyboard input numbers and operators, to achieve a positive integer number and types of operations, an LED display using the calculation result. After each operation, press the Clear button to clear.

璁＄畻鍣?
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.c
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.hex
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.lnp
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.LST
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.M51
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.OBJ
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.plg
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.uvopt
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi.uvproj
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi2.LST
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi_uvopt.bak
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?jisuanqi_uvproj.bak
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?STARTUP.A51
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?STARTUP.LST
璁＄畻鍣?keil宸ョ▼鏂囦欢澶?STARTUP.OBJ
璁＄畻鍣?proteus宸ョ▼鏂囦欢澶?
璁＄畻鍣?proteus宸ョ▼鏂囦欢澶?Backup Of jisuanqi.pdsbak
璁＄畻鍣?proteus宸ョ▼鏂囦欢澶?jisuanqi.pdsprj.IEE32616-PC.Lenovo.workspace
璁＄畻鍣?proteus宸ョ▼鏂囦欢澶?Last Loaded jisuanqi2.pdsbak

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