Han
The abacus was supposedly invented by a guy called Xu Yueh during the bronze age... say 3000BC, nobody knows exactly. Hope this helps.
Most likely Han, but it was used most in the Ming.
paper was invented during the Tang dynasty
China invented the 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.
Yuan Dynasty.
The gunpowder was invented at Tang Dynasty, not the Jin Dynasty
The abacus was invented to help people calculate.
Tang dynasty
the Chinese invented the abacus
abacus was not invented by chinese, but by babylonians.
The Han dynasty. Hope it helps.