What is abacus evolved from and how many years of history is it

What is abacus evolved from and how many years of history is it

It's the evolution of "planning". Planning is to use a kind of bamboo stick as a chip to calculate
Abacus is a traditional Chinese computing tool. It was invented by Chinese people on the basis of long-term use of abacus. It is an important invention in ancient China. Before the emergence of Arabic numerals, abacus was widely used in the world
The origin of abacus can be traced back to 600 BC. It is said that there was "abacus" in China at that time. The ancients strung 10 abacus beads into a group, arranged them in groups, put them into the frame, and then quickly moved them to calculate
In ancient times, people used wooden sticks to calculate. These wooden sticks were called "Suan Chou", and the calculation with Suan Chou as a tool was called "planning". Later, with the development of production, the calculation with wooden sticks was limited, so people invented a more advanced calculation tool, abacus
In Ming Dynasty, abacus can not only calculate addition, subtraction, multiplication and division, but also calculate land area and the size of various shapes