Arithmetick Both in the Theory and Practice: Made Plain and Easie in All the Common & Useful Rules, Both in Whole Numbers, & Fractions, Vulgar & Decimal
Arithmetick Both in the Theory and Practice: Made Plain and Easie in All the Common & Useful Rules, Both in Whole Numbers, & Fractions, Vulgar & Decimal
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1716 edition. Excerpt: ...one by another as followeth. First, 6 d. by 6 d-OT.015 by.025 is--.000615 _ Secondly, 1 /. by eV.Gr.05 by.015 is=.ooias &? Thirdly, 1 1 by 6 d, or.05 by.025 is=.ooi25 " a. Fourthly, 6 d. by i /. or.025 by.1 is =.0025 f ft, Fifthly, 1 /. by 2 /. or.05 by.1 is =.005 i Sixthly, 1 by 2 1. or.05 by.1 is = ...
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1716 edition. Excerpt: ...one by another as followeth. First, 6 d. by 6 d-OT.015 by.025 is--.000615 _ Secondly, 1 /. by eV.Gr.05 by.015 is=.ooias &? Thirdly, 1 1 by 6 d, or.05 by.025 is=.ooi25 " a. Fourthly, 6 d. by i /. or.025 by.1 is =.0025 f ft, Fifthly, 1 /. by 2 /. or.05 by.1 is =.005 i Sixthly, 1 by 2 1. or.05 by.1 is =.005 J Sum of the Products =.015615 Which Product is the fame as was found by the Multiplication Of the two Numbers before, which shews thd Work to be right. But suppose the former Question were propounded, and a Shilling to be the Integer, then the1 Work would have heen as underneath, and the Product would be 6.15. ot. id. " See the Work. j 2.5 ' 1 2.4., 125 1. 50 fyeb 6.25 Thus you may fee your Product will alter in Value, accordingas yOU aiccr YOur Integer., --r EXAMPLE IV. Let it be required to multiply 5 / ut. 9if, by 31.64. 3 J. S. A.-.V.-H Decimal answering 11 9 is.6375, . And of 4 3 is 3-J Then Multiply 5.6375 By 3-315 ' ' 181875 111750 ',"l/5375 169125 169125 /. 4. The Product 18.67421875 = 18..13 5-ii But seeing we have for the most part, but occasion for three or four Figures after the Separatrix, and sometimes the Multiplications are tedious and long j we will therefore give you a Rule how you may contract your Work, and yet secure what places of Decimals you please. To do which observe the following Method. Having set down your Multiplicand as usual, set the Units place of your Multiplier under that Figure in your Multiplicand which stands as far from Unity as the laft Figure of your Product is desired to stand, and write the rest in the Inverse Order, then multiply by your Multiplier, a$ usual; only, Nott, That you need only begin in your Multiplicand with that Figure that stands...
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All Editions of Arithmetick Both in the Theory and Practice: Made Plain and Easie in All the Common & Useful Rules, Both in Whole Numbers, & Fractions, Vulgar & Decimal