Commercial Arithmetic |
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Page 2
... difference of two numbers is equal to the sum of the squares of the numbers - twice the product . ( 3 ) The cube of the sum of two numbers is equal to the sum of the cubes of the numbers + 3 × product × sum of the numbers ...
... difference of two numbers is equal to the sum of the squares of the numbers - twice the product . ( 3 ) The cube of the sum of two numbers is equal to the sum of the cubes of the numbers + 3 × product × sum of the numbers ...
Page 3
... difference of the cubes 3 × product x difference of the numbers . ( 5 ) The difference of the squares of two numbers is equal to the product of the sum and difference of the numbers . Examples . 1. 3052 = ( 300 + 5 ) 2 = 3002 +25 + 10 ...
... difference of the cubes 3 × product x difference of the numbers . ( 5 ) The difference of the squares of two numbers is equal to the product of the sum and difference of the numbers . Examples . 1. 3052 = ( 300 + 5 ) 2 = 3002 +25 + 10 ...
Page 5
... differences to be put down , ( b ) gives the figures to be carried , ( c ) shows the correctness of the subtraction . Similarly for any other line . 2. Compound Division ( Money , Weights , Measures ) . It is obvious that this principle ...
... differences to be put down , ( b ) gives the figures to be carried , ( c ) shows the correctness of the subtraction . Similarly for any other line . 2. Compound Division ( Money , Weights , Measures ) . It is obvious that this principle ...
Page 13
... difference ( when multiplied by 4 in the usual way adopted in this method ) to the correction applied to 4th place , make any change arrived at and proceed to correct the 5th place by means of the 3rd and 4th in the same way . Continue ...
... difference ( when multiplied by 4 in the usual way adopted in this method ) to the correction applied to 4th place , make any change arrived at and proceed to correct the 5th place by means of the 3rd and 4th in the same way . Continue ...
Page 20
Samuel Jackson. use the Absolute Rule . The difference in the labour involved is not great . In the Examples following each form is shown . It should be noticed that form ( 3 ) is only to the same accuracy as form ( 2 ) . To get results ...
Samuel Jackson. use the Absolute Rule . The difference in the labour involved is not great . In the Examples following each form is shown . It should be noticed that form ( 3 ) is only to the same accuracy as form ( 2 ) . To get results ...
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Common terms and phrases
A. W. VERRALL aliquot Aliquotise Amsterdam annuity arbitrated assay Austrian florins Avoirdupois Bank Bar silver bills of exchange Brokerage 1 p.m. bullion bushels calculated carats cash balance centesimos centimes cents cheques College compound amount Course of Exchange currency cwts debt decametre decimal Decimalise Direct rates discount Divide dollar dwts endorsed English Example farthings Fcap Find price Fixed number florins fraction francs gallon galls given price gold coins grains grammes GREEK Hamburg hectolitres inches interest kilog kilogramme LATIN legal tender Lisbon litres London M.A. BOOK metre metric system millièmes milreis mils Multiply Note number of places Paris payment pence pesetas peso piastres places required correct premium Price per lb Prof Professor profit quoted rate of exchange remittances Rule rupee selling sight sold stamp sterling tael Troy Weights and Measures zero date
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