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Show Roman 8ystem of Figuring.. Counting on the fingers was a regular reg-ular system for the young Romans. They would make elghtcon movements move-ments with tho left hnnd for tho numbers num-bers below 100, and eighteen with tho right hand for those abovo. Two kinds of counting machines, called an abacus, were also used. One was a board strewn with sand, on which geometrical figures were drawn. The other was a frame, with balls moved in grooves to represent figures, with a special contrivance for doing fractions. frac-tions. As teachers wero not very patient pa-tient In those days, arithmetic might bo said to havo been learned less by rule than by ferrule. |