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The history of logarithms is the story of a correspondence (in modern terms, a group isomorphism) between multiplication on the positive real numbers and addition on the real number line that was formalized in seventeenth century Europe and was widely used to simplify calculation until the advent of the digital computer.
The history of logarithms in seventeenth-century Europe saw the discovery of a new function that extended the realm of analysis beyond the scope of algebraic methods. The method of logarithms was publicly propounded by John Napier in 1614, in a book titled Mirifici Logarithmorum Canonis Descriptio (Description of the Wonderful Canon of Logarithms).
A logarithmic timeline is a timeline laid out according to a logarithmic scale. This necessarily implies a zero point and an infinity point, neither of which can be displayed. The most natural zero point is the Big Bang, looking forward, but the most common is the ever-changing present, looking backward. (Also possible is a zero point in the ...
Math & Mathematicians: The History of Math Discoveries around the World. 2 vols. U*X*L, 1999; John Napier Archived 8 September 2015 at the Wayback Machine The History of Computing Project; John Napier—Short biography and translation of work on logarithms Archived 28 December 2008 at the Wayback Machine; Intro to Spherical Trig.
The logarithm in the table, however, is of that sine value divided by 10,000,000. [1]: p. 19 The logarithm is again presented as an integer with an implied denominator of 10,000,000. The table consists of 45 pairs of facing pages. Each pair is labeled at the top with an angle, from 0 to 44 degrees, and at the bottom from 90 to 45 degrees.
Why do cats knead? Kittens knead their mother's mammary glands, or breasts, while nursing, likely to aid the release of milk. Animal experts call this process "milk let down," said Sung, who is ...
Emails sent to government workers at numerous agencies gave employees 10 days to report if a colleague's job relates to diversity, equity and inclusion efforts.
According to the Dictionary of the Scots Language, a modern compilation of Scots words past and present, hurkle-durkle means “to lie in bed or to lounge after it’s time to get up or go to work.”