Specimens of tables calculated, stereomoulded, and printed by machineryLongman Brown, Green, 1857 - 18 Seiten |
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1st Diff 2nd Diff 3rd Diff 4th Diff 4th differences A³u Academy at Marieberg answered its purpose Babbage Baron Fabian Wrede Bryan Donkin bx² calculated and stereomoulded calculating apparatus changing the sign constructing cx³ để Difference Engine Dudley Observatory dx¹ Edinburgh Review Edward Scheutz fifteen places figurate numbers set figure-wheel five figures five places formulæ four differences fourth order George Scheutz Gravatt invention inventors labour left-hand column Logarithms London manner before shown Messrs natural numbers number expressed number of terms numbers set forward numbers shown numerical tables obtain odd differences orders of differences places correctly places of decimals places of figures radius vector result row of rings Royal Military Academy ruled paper second half-stroke set the machine Specimen 12 stereotyped Stockholm Sun's longitude Swedish Academy tabulate turn the handle u₂ vector of Venus Δ Δ Δυ