Most likely Han, but it was used most in the Ming.
abacus the Chinese invented it
abacus was not invented by chinese, but by babylonians.
the Chinese invented the abacus
Han
Hmm... the answer is obvious !
abacus
The gunpowder, the abacus, and the compass are all significant inventions associated with Chinese culture. Gunpowder was developed in China during the Tang dynasty, while the abacus, a calculating tool, has roots in ancient Chinese mathematics. The compass, used for navigation, was also invented in China, with its earliest forms appearing during the Han dynasty. These inventions had a profound impact on not only Chinese society but also on the world as a whole.
The Chinese Dynasty that invented India Ink was the Cao Wei Dynasty.
Abacus was the first calculating device invented by the Chinese.
The Shang Dynasty
the chinese and it is for counting. it is the original calculator
Tang dynasty