It helped people to do calculations quickly.
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.
China invented the abacus .
The abacus is believed to have originated in ancient Mesopotamia around 3000 BCE, making it one of the earliest calculating tools. It is thought that the Sumerians were among the first to use a form of the abacus for trade and accounting purposes. Over time, various cultures, including the Egyptians, Greeks, and Chinese, developed their own versions of the abacus, contributing to its evolution as a calculating device.
How did the abacus occur?
An Abacus has beads and strings.
The Chinese abacus
ABACUS
it is the abacus. :D :D :D i got is dummies
The abacus II!
the Chinese invented the abacus
the invenor of the abacus is the invenor of me
Abacus was invented by the Chinesethe abacus was also known as the first computer