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Binary logarithms are also used in computer science, where the binary system is ubiquitous; in music theory, where a pitch ratio of two (the octave) is ubiquitous and the number of cents between any two pitches is a scaled version of the binary logarithm, or log 2 times 1200, of the pitch ratio (that is, 100 cents per semitone in conventional ...
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.
The Japanese paper-folding art of origami has been reworked mathematically by Tomoko Fusé using modules, congruent pieces of paper such as squares, and making them into polyhedra or tilings. [185] Paper-folding was used in 1893 by T. Sundara Rao in his Geometric Exercises in Paper Folding to demonstrate geometrical proofs. [186]
Fine art: Equations-inspired mathematical visual art including mathematical structures. [31] [32] Hill, Anthony: 1930– Fine art: Geometric abstraction in Constructivist art [33] [34] Leonardo da Vinci: 1452–1519: Fine art: Mathematically-inspired proportion, including golden ratio (used as golden rectangles) [19] [35] Longhurst, Robert ...
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.
Ecstasy is a relief sculpture by Eric Gill. It depicts a male figure and a female figure, standing and embracing, in the act of copulating. It was acquired by the Tate Gallery in 1982. Gill found creative links between sex and his Catholic spirituality: a drawing for this work was entitled Christ and the Church.
A giant of early 20th century art, whose glamorous figurative paintings of women played an important role in defining Art Deco, is now the subject of her first-ever U.S. retrospective, currently ...
Logarithm. Given a positive real number b such that b ≠ 1, the logarithm of a positive real number x with respect to base b is the exponent by which b must be raised to yield x. In other words, the logarithm of x to base b is the unique real number y such that b y = x.