It is difficult to imagine counting without numbers, but there was a time when written numbers did not exist. The earliest counting device was the human hand and its fingers. Then, as larger quantities (larger than ten human-fingers could represent) were counted, various natural items like pebbles and twigs were used to help count. Merchants who traded goods not only needed a way to count goods they bought and sold, but also to calculate the cost of those goods. Until numbers were invented, counting devices were used to make everyday calculations. The abacus is one of many counting devices invented to help count large numbers.
The abacus was invented to help people calculate.
The abacus was invented before cameras and so no photograph exists.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
jv
the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.
China invented the abacus .
The abacus was invented to help people calculate.
the Chinese invented the abacus
abacus was not invented by chinese, but by babylonians.
ABACUS full form
abacus the Chinese invented it
The abacus was invented before cameras and so no photograph exists.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
China invented the Abacus.
jv
the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.
the country that invented the abacus is China Actually it is unknown as the abacus seems to predate recorded history and different versions were independently invented in various places.