https://dailysignalsng.com/articles/understanding-binary-subtraction-guide/
Understanding Binary Subtraction: A | dailysignalsng
binary subtractionunderstanding
https://boolflow.site/articles/twos-complement-and-binary-subtraction
Two's Complement and Binary Subtraction | Boolflow
How negative numbers are represented in binary, and how a subtractor computes A − B by reusing ordinary addition hardware.
binary subtractiontwocomplement