Believed to have been of Babylonian origin, they were utilized by in the Middle Ages by merchants throughout Europe and much of Asia and Africa.
Believed to have been of Babylonian origin, they were utilized by in the Middle Ages by merchants throughout Europe and much of Asia and Africa. Gradually replaced by arithmetic using Arabic numerals was – for ten points – what device consisting of a frame in which beaded wires represented the decimal places?
Believed to have been of Babylonian origin, they were utilized by in the Middle Ages by merchants throughout Europe and much of Asia and Africa.
Abacus