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What is the minimum number of bars on an abacus?
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.
How did the abacus occur?
How did the abacus occur?
What ancient device did the abacus replace?
the abacus replaced the abaci
When was abacus developed?
Charles Babbage developed abacus in 1820 for information send email to sahil2828@gmail.com
Who made the chiniese abacus?
The first Abacus (plural Abaci) are believed to have come from Mesopotamia circa 2700 BC.the Chinese abacus, called a suànpándates to around the 2nd cenruary BC and is beleived to be a copy of the Roman abacus from around the 1st centuary BC.The Roman one was thought to be a stolen, and improved Persian abacus and the Persians believe to have copied the Egyptian one.
