Still, the Romans, like other civilizations, relied upon the Base 10 system for counting because of a biological accident. People stared at their hands and counted ten fingers.

Though modern Welsh uses base-10 numbers, the traditional system was base-20, with the added twist of using 15 as a reference point. Once you advance by 15 (pymtheg) you add units to that number.

Our number system is a decimal system, or base ten system, meaning it's built powers of ten. Numbers less than ten are represented by one of ten digits, numbers from ten to a hundred (which equals ...

The founding fathers’ choice of a base-10 monetary system was a surprising change and a statement on the new nation’s identity. Grubb and Marra both pointed out that in 1786, American colonists still ...