actient china
actient china
The answer is China.
The abacus first appeared around the period 2700-2300 BC in Sumeria.
The Chinese are probably the first , but the Romans made them maybe 100 years later.
The Chinese abacus
abacus Casio made the first graphing calculator in 1985.
The Ancient Chinese made the first means for counting with the abacus.
the inventer to the abacus is unknown but all that i know so far is that its was invented in babylonia and was made with wood when first invented
The abacus is believed to have been first made around 2400 BCE in ancient Mesopotamia. It is one of the earliest known tools for counting and calculating. Over the centuries, various forms of the abacus have emerged in different cultures, each adapting the design to meet their specific needs.
the abacus is made by the Egyptian in Egypt.
keyboard,usb,CPU, and you ! ")
Abacus was invented by the Chinesethe abacus was also known as the first computer