...By the use of logarithms, arithmetical computations which necessitatedlaborious application for several months could with ease be completed inas many days... 
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Much of the time after 1811 he was absent, and hiswork at home consisted largely in arranging the results of his previouslabors, and in computations connected with them...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Gauss by this time had becomeso practised in the difficult computations that he worked out thecomplete orbit of Vesta within ten hours of receiving the observationaldata from Olbers...
Oliver Lodge 「Pioneers of Science」
...A later discussion of all his observationsled him to the belief that there were four more, and he gives hisobservations and computations in full...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...In replyto this Kepler showed by some computations ofhis own, based on the relative apparent sizes ofthe Sun and Moon, that Clavius’s theory wasuntenable...
George Chambers 「The Story of Eclipses」
...80, so that in realityHell's computations came nearer the truth than those generally currentduring the century following his work...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
..., given with his Nautical Tables, second edition, 1809; and the tables from which the corrections were taken and the computations made, are those of the same valuable work...
Matthew Flinders 「A Voyage to Terra Australis」
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