They were able to convert the process of multiplication (or division) to addition (subtraction). This allowed large amounts of work to be delegated to clerical staff who were competent at adding and subtracting and a lot cheaper than people who could multiply and divide efficiently.
John Napier
Napier first published the "rods" in a book called Rabdologia in 1617.
John Napier was famous for his work with logarithms.
To have a type of abacus to use.
logarithmic device called as napier bones
John Napier
The rods in John Napier's invention, known as Napier's Bones, basically contained the columns of a multiplication table. They could be used to multiply, divide, and even extract square roots. John Napier also was a pioneer in creating tables of logarithms, but the rods had nothing to do with that.
Napier first published the "rods" in a book called Rabdologia in 1617.
Napier's Bones (Napier's Rods)
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They were able to convert the process of multiplication (or division) to addition (subtraction). This allowed large amounts of work to be delegated to clerical staff who were competent at adding and subtracting and a lot cheaper than people who could multiply and divide efficiently.
in 1614 john Napier invented logarithms and a device called NAPIER,s bones
John Napier - primatologist - was born in 1917.
John Napier Burnett was born in 1899.
John Napier Burnett died in 1989.
John Napier invented the Napier's Bone
John Napier's calculating machine invention is called "Napier's Bones."