blaise pascal
ibligo
Calculating clock is the first known calculating device made by Wilhelm Schickard. This machine can perform the basic mathematical operation, but canÕt show too large result which is limited to six digits.
Blaise Pascal and Wilhelm Schickard one of those
Blaise Pascal's calculating machine was called the "Pascaline." Developed in the 1640s, it was one of the earliest mechanical calculators designed to perform addition and subtraction. The Pascaline consisted of a series of gears and was aimed at helping his father, who was a tax collector, with calculations.
arithmetic machine
John Napier's calculating machine invention is called "Napier's Bones."
lathe machine hour
The very first calculating "machine" was human hands and fingers. The abacus was next in about 300 BC.
he filed the patent for his first calculating machine in 1885 then improved one in in 1892
The computer is a calculating machine, by programming you can make it "think".
blaise pascal
Charles Babbage
with a calculating machine
John V Atnasol
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Blaise Pascal's mechanical calculating machine was called the Pascaline.