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Titolo |
Decimal arithmetick [[electronic resource] ] : wherein the whole art is made easy to any indifferent capacity. By notation, addition, substraction, multiplication, and division. With several variations. Also, reduction, with the golden rule, or rule of three, shewing several wayes of measuring circles, globes, balls or cylinders, &c. and to find the solid content of any butt, pipe or cask cones and their frustums, with several waies of measuring taper timber. To which is added the description of a very easy instrument for the taking of any heights or distances without geometry or trigonometry, scale compasses or line of cords, only counting the divisions of the instrument, with the explanation of the multiplication of decimal or vulgar fractions, the rules of practise in decimals and so plain a way of extracting the square root almost as easy division. Also an essay to gunnery, shewing several waies of finding any inaccessible distance of altitude, within common sight, with very many things never before made publick, of which you m |
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