# The Principles and Practice of Arithmetic: Comprising the Nature and Use of Logarithms, with the Computations Employed by Artificers, Gagers and Land-surveyors. Designed for the Use of Students

J.W. Parker, 1840 - Arithmetic - 224 pages

### Contents

 DEFINITIONS 1 Subtraction 9 Measures and Multiples 28 Compound Division 43 CHAPTER IV 54 Addition of Fractions 64 Reduction of Fractions 70 Rules of Practice 76
 Discount or Rebate 124 66 130 The Doctrine of Exchanges 131 CHAPTER VII 140 Extraction of the Cube Root 148 The Nature and Properties of Logarithms 155 CHAPTER IX 170 The Theory of Solid or Cubic Measure 177

 CHAPTER V 85 Multiplication of Decimals 91 Recurring Decimals 97 Proportion 105 Interest Stocks c 114
 The Practice of Solid Measure 184 The Computations of Gagers 191 The Calendar 200 APPENDIX 211 Involution and Evolution 221

### Popular passages

Page 52 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change.
Page xiv - Digits, which have their names respectively annexed: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0: one, two, three, four, five, six, seven, eight, nine, zero...
Page xi - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Page 135 - A and B can do a piece of work in 10 days, A and C in 12 days, and B and C in 14 days ; in what time can they do it jointly and separately?
Page 6 - Set down the multiplicand, and under it the multiplier, in such a manner, th.at units may stand under units, tens under tens, hundreds under hundreds, and so on.
Page 95 - ... a number consisting of as many nines as there are recurring figures followed by as many ciphers as there are non-recurring figures.
Page 106 - If 3 men can do a piece of work in 12 days, how many days will it take 9 men to do the same ? ANALYSIS.
Page 109 - If 20 men can perform a piece of work in 12 days, how many men will accomplish three times as much in one-fifth of the time ? Ans.
Page 135 - A and B together can build a boat in 18 days, and •with the assistance of C they can do it in 11 days ; in what time would C do it alone ? Ans.
Page 77 - How many were therein the army? — how many killed ? — how many taken prisoners ? A. 2,400 ; 800 killed ; 600 prisoners. 48. A can do a job of work in 5 days, B in 6, and C in 7 ; how much can they jointly do in 2 days 1 A.