China Answer: The abacus has a history going back to 2500 BCE when it was first used in Sumeria.
Later and improved versions were in use in Babylonia, Egypt, Persia, India, China, Rome and Greece. There are reports of abaci in India as early as the 1st century CE. The first use of Chinese abacus is not documented until the 14th Century CE although there is evidence in Chinese illustrations that they were in common use as early as 1100 CE. It was similar to the modern abacus. From China the abacus spread into Japan and Korea.
Some scholars point to an independent development of the abacus in Mesoamerica by the Mayans and Aztecs. These were of course based on the base 20 not 10 as in Asia and Europe.
The Sumarian abacus appeared as early as 2700 BC, The ancient Egyptians and the Persians also used the abacus
On the abacus.
Known as a counting devise, the abacus has been in use for many centuries
A counting frame is the common name for an abacus. An abacus is a centuries old counting and calculating tool that is still widely used by merchants in Asia and Africa.
If this is a trick question, the answer is "fingers" (manual = of or done with the hand). If not, possibly an abacus. But, while most people have used their fingers for counting, very few have used an abacus.
Avnet Abacus was created in 2009.
Abacus Solutions was created in 2000.
Asiana Abacus was created in 1991.
The White Abacus was created in 1997-03.
Abacus Federal Savings Bank was created in 1984.
"Answer"The abacus was created 3000Bc ago by the chinese.
China invented the abacus .
ABACUS
How did the abacus occur?
An Abacus has beads and strings.
disadvantage of abacus
The Chinese abacus