Making a 4-Bits Adder-Subtractor #1 Theory | by Ryosuke Noro | Medium
How to make a full adder capable of adding & subtracting - Quora
twos complement - 0 minus 0 gives carryout of 1 in adder-subtractor circuit - Stack Overflow
Binary Subtractor used for Binary Subtraction
Adders | CircuitVerse
A novel design of 8-bit adder/subtractor by quantum-dot cellular automata - ScienceDirect
Ashan's Blog: Designing a BCD adder & subtractor with HDL
Table II from DESIGN OF ADDER / SUBTRACTOR CIRCUITS BASED ON REVERSIBLE GATES | Semantic Scholar
Lessons In Electric Circuits -- Volume IV (Digital) - Chapter 9
8-bit adder/subtractor implementation | Download Scientific Diagram
Binary Adder and Subtractor Circuits: Half and Full Adder, Subtractor
What is the truth table for a 2-bit adder? - Quora
Experiment 2: 8-bit Adder/Subtractor - The University of Jordan
Logic Circuitry Part 2 (PIC Microcontroller)
Full Subtractor in Digital Logic - GeeksforGeeks
Binary Adder and Binary Addition using Ex-OR Gates
Adders and Subtractors | Digital Circuits 3: Combinational Circuits | Adafruit Learning System
8-bit Adder/Subtractor - CircuitLab
Binary Arithmetic Circuits
Welcome to Real Digital
Binary Arithmetic Circuits
