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The Rayner Complex is thought to be a rim of the Napier nucleus, and the western part of this complex seems to have been reworked at the Pan-African age. Surface structures in this area contain near right angles in a generally N-S trending East African/Antarctic Orogen as verified by the presence of discovered magnetic anomalies .
Napier (/ ˈ n eɪ p i ər / NAY-pee-ər) is a surname with an English, Scottish, French or Polish origin. The British surname Napier is derived from an occupational name for someone who sold or produced table linen ; or for a naperer which was a servant who was responsible for the washing and storage of linen in a medieval household.
The first device, which by then was already popularly used and known as Napier's bones, was a set of rods inscribed with the multiplication table. Napier coined the word rabdology (from Greek ῥάβδος [rhabdos], rod and λόγoς [logos] calculation or reckoning) to describe this technique. The rods were used to multiply, divide and even ...
Napier orogeny formed the cratonic nucleus approximately 4 Ga. [3] Mount Elkins is a classic example of Napier orogeny. Napier orogeny is characterized by high-grade metamorphism and plate tectonics. The orogenic events which resulted in the formation of the Napier complex (including Mount Elkins) have been dated to the Archean.
Napier orogeny formed the cratonic nucleus approximately 4 billion years ago. [7] Mount Elkins is a classic example of Napier orogeny. Napier orogeny is characterized by high-grade metamorphism and plate tectonics. The orogenic events that resulted in the formation of the Napier Complex (including Mount Elkins) have been dated to the Archean Eon.
Napier's bones is a manually operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers. The method was based on lattice multiplication , and also called rabdology , a word invented by Napier.
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Modern English translations of both Napier's books on logarithms and their description can be found on the web, as well as a discussion of Napier's bones and Promptuary (another early calculating device). [11] His invention of logarithms was quickly taken up at Gresham College, and prominent English mathematician Henry Briggs visited Napier in ...