In this article, I will write a little about the arithmetic of binary numbers in particular between two binary-coded decimals. I will include the necessary basics and an explanation of what BCD numbers are, I will also present the necessary notation of binary numbers, and binary-coded decimals.

Used by both the good and the bad, and at the same time, they were created for a good purpose but most often used for bad purposes. For some, it would be better if it don't exist, but at the same time it is good that it exists. It reveals the nature of man not in the way we would like to see it. A good example of what happens when the law disappears - not everyone becomes evil, but we know what will happen.