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The term abacus It comes from the Latin abăcus. It is a frame built with wood that has 10 wires or ropes arranged in parallel . Each of these wires or ropes, in turn, has 10 balls that can move . The abacus, therefore, is a instrument that helps to realize accounts and simple calculations .

It was frequent that, in the school , the abacus is used to teach students the basic operations of arithmetic. At Commerce On the other hand, the abacus was used to make accounts.

Historians believe that the abacus was the first calculation instrument created by man. Although he does not know precisely how his origin was, it is estimated that the first abacos were developed with rocks and lines that were drawn on the ground.

Specifically, for many, the origin of this calculation instrument would be in Asia, and more precisely in China. However, for other historians that would be found in Africa because it seems that in the Sahara already used some dameros both to carry out the necessary calculation in commercial transactions and to entertain through what was a series of games traditional.

In America , the local populations that were settled in the territory before the European arrival used a type of abacus that was known as quipu , whose ropes could be tied in a different way to count or even to transmit messages.

The invention of the calculator and computers made the abacus lose popularity, although it is still used in several countries of Asia .

In this sense, we can establish that abacus is currently used all over the world by billiards players. And it is that said element or system is what they use to mark the points that each of the participants of a game add up.

Likewise, we cannot ignore the fact that this term in question has joined another series of words to give rise to a series of concepts already widespread. In this way, it is also common to hear about natural abacus that comes to define at the hand of any human being. A denomination is due to the fact that this part of the body is considered to be the oldest abacus because it is the one that has allowed mathematical calculations and operations since ancient times.

In the same way, there is also the reading abacus that is a table that is used to teach children to read or the Pythagorean abacus that is used to carry out mathematical multiplication tasks.

The Abaco islands , meanwhile, are located north of the Bahamas . It is an archipelago formed by the islands Little abacus , Great abacus and an important amount of islands and cays of small size. Its main economic support is the tourism . The Abaco Islands have about 13,000 inhabitants, being Marsh Harbor Your most important city.

In the classic architecture Finally, an abacus was a kind of square table that was placed on the equine and that crowned the capital, working like seat to the architrave and protecting the decoration.

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