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 Chinese Dynasty that invented India Ink was the Cao Wei Dynasty.
the history about the abacus is that 3000 years ago the chinese invented the abacus. The abacus was made of wood parrelel rod and beads.
The Shang Dynasty
Abacus was the first calculating device invented by the Chinese.
the chinese and it is for counting. it is the original calculator
Tang dynasty