The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
The Sumerian abacus appeared in 2700 BC, a primitive device which was difficult to use. The Persians used the abacus in 600 BC. The Greek abacus dated to the 5th Century BC. The Chinese dated to the 2nd Century BC
The abacus was originated in China in 3000 B.C.(:
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.
Chinese people
The abacus was developed by the Babylonians in 2000 BC. Though mechanical, it is considered to be one of the earliest computers.
The Abacus.
A little after 3000 BC.
The abacus is considered the first adding machine because it was the first tool that was used to add with. There were not any counting devices until the invention of the abacus in 3000 BC.
The Sumerian abacus appeared in 2700 BC, a primitive device which was difficult to use. The Persians used the abacus in 600 BC. The Greek abacus dated to the 5th Century BC. The Chinese dated to the 2nd Century BC
The abacus was originated in China in 3000 B.C.(:
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.
China invented the Abacus.
Charles Babbage developed abacus in 1820 for information send email to sahil2828@gmail.com
The Sumarian abacus appeared as early as 2700 BC, The ancient Egyptians and the Persians also used the abacus
If you are asking when mosaic art was developed, the oldest mosaics date back to 3000 to 4000 BC.
It's... 3000 BC. Seriously, what are you asking?