Portability and simplicity are the features of Napier's bones. The item in question represents the invention of Merchiston Tower, Scotland-born astronomer, mathematician, and physicist John Napier (1550 - 1617) to add, divide, multiply, square root, and subtract by way of a board accommodating 10 strips, each with eight rows of sequentially arranged numbers.
Portability and simplicity are the features of Napier's bones. The item in question represents the invention of Merchiston Tower, Scotland-born astronomer, mathematician, and physicist John Napier (1550 - 1617) to add, divide, multiply, square root, and subtract by way of a board accommodating 10 strips, each with eight rows of sequentially arranged numbers.
John Napier
Napier's Bones. It was a type of abacus.
Because he wanted a simple calculating device. (It's "bones" actually.)
napiers bone
it help to do large number of multiplication and divison
General features of bones are called bony prominences and are used to locate muscles in the body.
He invented the insert device, which was stuffed into a hole drilled in Napiers bones, which allowed a metal plank to go in. Although it wasnt a great improvement, his science in the insert device helped to the creation of Condoms by his son Samuel.
I do not think so.
napiers bone
hollow bones and air sacs.
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The phylum that has the adaptive feature of pneumatic bones is Chordata. Pneumatic bones are lightweight structures filled with air that help reduce the weight of the skeleton, making it easier for organisms to fly or swim, such as in birds.