The Computist's Manual of Facts, and Merchant's and Mechanic's Calculator and Guide; Or a Complete Library of Numerical, Arithmetical and Mathematical Facts, Tables, Data, Formulas and Practical Rules for the General Business Man, Merchant, Mechanic and

The Computist's Manual of Facts, and Merchant's and Mechanic's Calculator and Guide; Or a Complete Library of Numerical, Arithmetical and Mathematical Facts, Tables, Data, Formulas and Practical Rules for the General Business Man, Merchant, Mechanic and

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1853 Excerpt: ...the terms. q E q the greater extreme. q e q the less extreme. q d q the common difference. q n q the number of terms. Example.--What is the sum of all the even numbers from 2 to 100, inclusive? Example.--How many times does the hammer of a common clock strike in 12 hours? (2 e-f-re--1 X 0 XJn = sum of the terms. The greater extreme, the common difference, and the number of terms of an arithmetical progression being given, to find the less extreme. E--(dy, n--1) = less extreme. Example.--A man travelled 18 days, and every day 3 miles farther than on the preceding; on the last day he travelled 56 miles; how many miles did he travel the first day? s n--1 X d---J-2 = greater extreme. 2s-i-n--e = greater extreme. The extremes of an arithmetical progression and the common difference being given, to find the number of terms. E--e-f-d +1 = number of terms. ExAiirLE.--As a heavy body, falling freely through space, descends I0-j'j feet in the first second of its descent, 48T32-feet in the next second, 80-in the third second, and so on; how many seconds had that body been falling, that descended 305-feet in the last second of its descent? 305tv--16r? = 2891-f-32 = 9-f 1 = 10 seconds..4ns. V' (2 e d)'1-f-8 5 d--d--2 c = number of terms. 2 The extremes of an arithmetical progression, and the number of terms being given, to find the common difference. E--e r = common difference. n--x Example.--One of the extremes of an arithmetical progression is 28 and the other is 100, and there are 19 terms in the series; required the common difference. 10028-f-1v/19 = 4. Ans. 2E--(2sn) T = common difference. n--I Example.--The less extreme of an arithmetical progression is 28, the sum of the terms 1216, and the number of terms 19; required...This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1853 Excerpt: ...the terms.


Title:The Computist's Manual of Facts, and Merchant's and Mechanic's Calculator and Guide; Or a Complete Library of Numerical, Arithmetical and Mathematical Facts, Tables, Data, Formulas and Practical Rules for the General Business Man, Merchant, Mechanic and
Author: Ezra S Winslow
Publisher:Rarebooksclub.com - 2012-05-16
ISBN-13:

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