Thesaurarium mathematicae, or, The treasury of mathematicks containing variety of usefull practices in arithmetick, geometry, trigonometry, astronomy, geography, navigation and surveying ... to which is annexed a table of 10000 logarithms, log-sines, and log-tangents / by John Taylor.

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Title: Thesaurarium mathematicae, or, The treasury of mathematicks containing variety of usefull practices in arithmetick, geometry, trigonometry, astronomy, geography, navigation and surveying ... to which is annexed a table of 10000 logarithms, log-sines, and log-tangents / by John Taylor.
Author: Taylor, John, mathematician.
Publication: London :: Printed by J.H. for W. Freeman,; 1687.
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Subject terms: Mathematics -- Early works to 1800.
Link to this Item: http://name.umdl.umich.edu/A64224.0001.001
Cite this Item: "Thesaurarium mathematicae, or, The treasury of mathematicks containing variety of usefull practices in arithmetick, geometry, trigonometry, astronomy, geography, navigation and surveying ... to which is annexed a table of 10000 logarithms, log-sines, and log-tangents / by John Taylor." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A64224.0001.001. University of Michigan Library Digital Collections. Accessed June 2, 2024.

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PROP. V. A Summ of Money being forborn for any number of years, to find how much it will amount unto, reckoning Interest on Interest, according to any Rate propounded.

Admit 300 pounds Sterling, be put out for 4 years, for Compound Interest at 6 l. per Cent. what will it amount to when the four years are expired? To find which substract the Log of ••00 l. the principal, whose Log. is 2. 477121, out of the Log. of 318 l. Principal and Interest for a year whose Log. is 2. 502427, the re∣mainder is 0. 025306, which being multiplyed by 4, the number of years of its continuance, produceth 0. 101224, which added to the Log. of the principal 300l. to wit, to 2. 477121, makes ••, 578345, which is the Log. of 378 l. 14 s. 10d. 2q. very near, and so much will 300 l. amount to.