A Description of the Admirable Table of Logarithmes

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Theatrum Orbis Terrarum, 1969 - Mathematics - 89 pages

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Section 2
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Section 3
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A Description of the Admirable Table of Logarithmes
John Napier
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Common terms and phrases

aboue adde Admonition alfo alſo Alterne bafe alwayes angled triangle Antilogarithmes arch Azimuth balfe baſe becauſe booke boure Chap columne comple complement of BSP declination Defectiue degr degrees Diagonall Diff Differen Logarit Difference Afcenfionall Differentiall diſtance diuided Eleuation equall example fake extreame faid fame fecond feuerall fhall bee fide fifth columne finde firft firſt fiue fixth fome former fought fourth proportionall fquare fubtending fubtract fumme funne garithme giuen number greater cafe halfe bafe haue height Henry Brigges Hypotenuse laft leffe legge legs Likewife Loga Logar Logarit Sines Logarithme middle moft neereft number giuen obliquangled oppofite paralell perpendicular plement pole poynt propofition proportion quadrant quadrantall queftion refolued reft right angled right-angled triangle right-lined triangles rithme Secants ſhall Sines Logarith Differen Sphericall Sunnes pofition Table Tangent thefe thereof therfore theſe true bafe verticall angle vnto vpon whofe

About the author (1969)

Scottish mathematician and cleric John Napier was born at Merchiston Castle near Edinburgh. After graduating from St. Andrews University, he studied in Paris and traveled throughout Europe. On his return to Scotland, he became a strong supporter of the Reform church in its struggle to eradicate Catholicism from the country. He was appointed to John Knox's General Assembly and wrote Protestant tracts. After the Reform Church's position was ensured, Napier turned his efforts to mathematics. His landmark achievement was his invention of a system of logarithms based on the correspondence of a geometric and arithmetic series of numbers. Napier's method of computing logarithms, published in 1614 in his Mirifici logarithmorum canonis descriptio, gained immediate acceptance. His table of logarithms, which became the basis of a new table of common logarithms in 1624, simplified the complex calculations of trigonometry heretofore required in astronomy and navigation. In 1617, the year of his death, Napier published Rabdologiae; seu Numerationes per Virgulas libri duo, in which he described a system of arithmetic computation involving the use of counting rods (also known as Napier's bones). This system was to have great importance for physical science, making it possible to perform multiplication and division by mechanical means. It is now regarded as an early herald of the slide rule and the modern analog computer.

Bibliographic information

TitleA Description of the Admirable Table of Logarithmes
Issue 211 of English experience, ISSN 0422-6666
Issue 211 of English experience, its record in early printed books published in facsimile
Issue 211 of English experience, its record in early printed books published in facsimile: Its record in early printed books published in facsimile
AuthorJohn Napier
Editionreprint
PublisherTheatrum Orbis Terrarum, 1969
ISBN9022102114, 9789022102114
Length89 pages
Subjects ›  › 

Mathematics / Algebra / General
Mathematics / Trigonometry
  
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