Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus. Yes, they used the abacus.

The abacus was invented by the ancient Chinese people and was used to perform mostly mathematical calculations. In Japan, even to this day, the abacus is still used for simple calculations. Many people consider the abacus the first "computer" or at least the first calculator.

The minimum number of bars on an abacus is nine. An abacus is a calculating tool that was used before the written numeral system came into use. It is still used by merchants and traders in countries in Asia and Africa.

The Sumerian abacus appeared in 2700 BC, a primitive device which was difficult to use. The Persians used the abacus in 600 BC. The Greek abacus dated to the 5th Century BC. The Chinese dated to the 2nd Century BC

An abacus was used by just about every head of a family to keep the family finances. If the paterfamilia were not keen on math a slave or a wife would fill in for him. Professional record keeper, tax collectors, censors an even merchants all used the abacus.

The abacus is ordinarily attributed to the Chinese, but similar counting devices are known in many different ancient cultures. The system of mathematics used with the Indo-Asian abacus is what set it apart.

An abacus is a deceptively simple calculating tool that has been used since ancient times. It is generally used by the blind to perform multiplication, addition, subtraction and division.

The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.

Yes. An abacus is like an array so therefore it is possible to use it for multiplication up to the number of rods, and is able to be used for division by separating the beads.