The calculator based on Verilog uses matrix keyboard to input data and digital tube to display the operation process and results. The development board based on little mac620 passed the verification

Filename	Size	Update
calculator.qws	834	2020-02-17
calculator.tcl	1651	2017-09-02
calculator_assignment_defaults.qdf	47538	2020-02-17
doc	0	2020-02-17
doc\readme.txt	659	2020-02-17
output_files	0	2020-02-17
output_files\calculator.sof	358654	2020-02-17
rtl	0	2020-02-17
rtl\alu.v	2197	2017-09-02
rtl\BCD2Bin.v	695	2016-04-10
rtl\bcd_modify.v	1031	2015-09-03
rtl\bcd_single_modify.v	614	2015-09-03
rtl\bin_to_BCD.v	1560	2015-09-03
rtl\calculator.v	3692	2020-02-17
rtl\DataShift.v	629	2016-04-10
rtl\FSM.v	1942	2016-04-10
rtl\HC595_Driver.v	3091	2017-09-02
rtl\HXE8.v	2047	2016-04-10
rtl\Key_Board	0	2020-02-17
rtl\Key_Board\Key_Board.v	5359	2020-02-17
rtl\Key_Board\Key_Board_model.v	1775	2020-02-17
rtl\Key_Board\Key_Board_tb.v	516	2020-02-17
rtl\key_board_code_lut.v	1565	2020-02-17
testbench	0	2020-02-17
testbench\alu_tb.v	1166	2016-04-10
testbench\BCD2Bin_tb.v	1323	2016-04-10
testbench\DataShift_tb.v	1329	2016-04-10
calculator.qpf	1277	2016-04-04
calculator.qsf	5179	2020-02-17

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