According to historians what is the oldest device still used
The abacus was one of the earliest counting devices in Asia and parts of Europe. It is still used today for arithmetic: adding, subtracting, multiplying and dividing. [ Pictures ] [ Brief History ] [ Bibliography ] [ Related Links ].f that wasn't enough, things in nature were used like shells, twigs, pebbles, stones, and so forth. It is a good idea to think about the history of arithmetic, mathematics, writing and recorded information.