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Abacus
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∙ 11y ago
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Who invented the first counting device?
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
What is an Abbe-Zeiss apparatus?
An Abbe-Zeiss apparatus is a device for counting blood cells, also known as a counting cell haemocytometer.
Who invented The first Mechanical Counting Device?
The first mechanical counting device was invented by Blaise Pascal in 1642. It was primarily used as an adding machine. It could add and subtract two numbers.
Why is the abacus important?
Because it was the first portable counting device - sort of the first 'pocket' calculator !
What is the first gear driven calculating device that inspire the invention of counting the time?
it is
First counting device?
Most answers to that question on this site give the answer as Abacus.
First known counting device?
it is the abacus. :D :D :D i got is dummies
What is an original mechanical counting device?
The abacus is the original mechanical counting device. It was likely first used over five thousand years ago, and used beads to keep track of numbers.
What is the counting device invented by the Chinese?
abacus
Where can you find a handheld counting device?
A hand held counting device is called a calculator. You can purchase a calculator anywhere that school and office supplies are sold.
What is a Roman counting board?
The roman counting board used to solve problems in mathematics was called abacus [άβαξ, in the Greek language]
The earliest computing device?
probably the counting board
