This a simple computer, you can implement arithmetic, clearing and other functions, which contains a matrix keypad, digital control operation, interested students can refer to

矩阵键盘的应用——简易计算机
............................\jisuanji
............................\jisuanji.LST
............................\jisuanji.M51
............................\jisuanji.OBJ
............................\jisuanji.Opt
............................\jisuanji.Uv2
............................\jisuanji.c
............................\jisuanji.hex
............................\jisuanji.lnp
............................\jisuanji.plg
............................\jisuanji2.LST
............................\jisuanji2.OBJ
............................\jisuanji_Opt.Bak
............................\jisuanji_Uv2.Bak

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