Canonis sentence example
- The Canonis Descriptio on its publication in 1614, at once attracted the attention of Edward Wright, whose name is known in connexion with improvements in navigation, and Henry Briggs, then professor of geometry at Gresham College, London.
- Though written before the Descriptio it had not been prepared for press at the time of his death, but was published by his son Robert in 1619 under the title Mirifici Logarithmorum Canonis Constructio.
- There is also preceding this title-page an ornamental title-page, similar to that of the Descriptio of 1614; the words are different, however, and run - Mir fici Logarithmorum Canonis Descriptio ...
- Accesserunt Opera Posthuma: Primb, Mirifici ipsius canonis constructio, & Logarithmorum ad naturales ipsorum numeros habitudines.
- When Napier published the Canonis Descriptio England had taken no part in the advance of science, and there is no British author of the time except Napier whose name can be placed in the same rank as those of Copernicus, Tycho Brahe, Kepler, Galileo, or Stevinus.Advertisement
- The same definitions occur also in the Canonis Descriptio (1614), p. 5: "Logarithmos sinuum, qui semper majores.
- These rules were published in the Canonis Descriptio (1614), and Napier has there given a figure, and indicated.a method, by means of which they may be proved directly.
- Macdonald's translation of the Canonis Constructio (1889) is complete and valuable.
- The first announcement of the invention was made in Napier's Mirifici Logarithmorum Canonis Descriptio..
- Napier's logarithms are not the logarithms now termed Napierian or hyperbolic, that is to say, logarithms to the base e where e= 2.7182818 ...; the relation between N (a sine) and L its logarithm, as defined in the Canonis Descriptio, being N=10 7 e L/Ip7, so that (ignoring the factors re, the effect of which is to render sines and logarithms integral to 7 figures), the base is C".Advertisement
- The proposed work was published in 1619 by Robert Napier, his second son by his second marriage, under the title Mirifici logarithmorum canonis constructio...
- 5 The title is Logarithmorum canonis descriptio, seu arithmeticarum supputationum mirabilis abbreviatio.
- Napier's original work, the Descriptio Canonis of 1614, contained, not logarithms of numbers, but logarithms of sines, and the relations between the sines and the logarithms were explained by the motions of points in lines, in a manner not unlike that afterwards employed by Newton in the method of fluxions.
- An account of the processes by which Napier constructed his table was given in the Constructio Canonis of 1619.
- The full title is as follows: Mirifici Logarithmorum Canonis descriptio, Ejusque uses, in utraque Trigonometria; ut etiam in omni Logistica Mathematica, Amplissimi, Facillimi, expeditissimi explicatio.Advertisement
- In both the Canonis descriptio and the Rabdologia, however, he makes reference to his ill-health.