Since the decimal number system is "the" system of all number systems (as we are pestered with it from an early age before our brains have developed suitable ab

Since the decimal number system is "the" system of all number systems (as we are pestered with it from an early age before our brains have developed suitable abstraction capability until it just becomes second nature) it can be advantageous to think through how ten's complement representation works in the decimal number system.