The Chinese abacus was developed about 5000 years ago. It was built out of wood and beads. It could be held and carried around easily. The abacus was so successful that its use spread form China to many other countries. The abacus does not actually do the computing, as today's calculators do. It helps people keep track of numbers as they do the computing.
Woodblock printing i thinking
The Chinese
Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.Concrete.
Telling time, counting goods, counting money.
Maya Counting: The ancient Maya developed a very advanced number system. They were the first in the Americas to use the number zero. Today, people in the Americas count based on the number ten. In ancient Maya times, Maya counting was based on the number twenty.
Glasses ...He invented Bifocals .
Woodblock printing i thinking
Woodblock printing i thinking
The Chinese The Chinese
The Ancient Chinese
they were the first people to use the arch.
The chinese.
It was believed to be that the first people to use it were the Chinese in 300B.C.
The first rockets were firework's built by the Chinese
The Ancient Chinese were the first to use coins.
The Chinese and Hindu were the first to use negative integers
aluminum pull tab