actient china
The roman counting board used to solve problems in mathematics was called abacus [άβαξ, in the Greek language]
An abacus is a calculation aid, it stores one number and helps the user rapidly perform addition and subtraction. Highly skilled abacus users can also do multiplication and division and sometimes more involved calculations, but such calculations become progressively more labor intensive and time consuming and the abacus cannot assist the user further.
sorry guys not really sure. :/
It's called an abacus.
The Chinese abacus.
The answer is China.
actient 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