https://github.com/pie1722/adder-and-subtractor-using-gates

This is a circuit wich can do addition and substraction and shows the values in 7 segment display. The only limitation is that it can only convert 4 bit binary input to BCD to feed the display so it cant show the sum more than 15.

4bit-adder 4bit-subtractor binary-to-bcd k-map logic-gates logic-gates-simulator

Last synced: 20 Jan 2026