Types Abacus - Abacus Egyptian

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In his famous historical chronicles, and Herodotus spoke of Egyptian abacus, a simple and clear Herodotus tells us that the Egyptian Abacus, work unlike the Greek abacus, ie disks that were used as kind of similar spheres to count the use given to them in the actual Western abacus. But unlike the current basic abacus the Egyptian abacus was used in reverse to Greek abacus. 

Lacking Egyptian Abacus Archaeological Testing - (Types Abacus, Abacus Egyptian)

Information is available about it is purely subjective and suposicional, since there is strong evidence of the exact use to be Abacus gave this Egyptian. But archaeologists have found disks that were part of custom create sophisticated Egyptians Abacus.

Other historical sources - Egyptian Abacus - (Types Abacus, Abacus Egyptian)

Other historical sources claim that the origin of the abacus dates back to ancient Egypt and ancient China, is complex ensures the exact origin of this tool as old computing and to calculate both have served mankind, as according to different writings ancient historians and placed in his writings to the first Abacus in ancient Egypt and ancient China. 

Use the abacus in Ancient Egypt is mentioned by the Greek historian Herodotus - (Types Abacus, Abacus Egyptian)

Who wrote that had discs that were used to count on the abacus by the Egyptians, but these were used in the opposite direction when compared to the Greek method. Archaeologists have found ancient disks of different sizes which are believed to have been used as counters. However, wall depictions of this instrument have not been discovered, casting doubt on the extent to which this instrument was used.