Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetick, Adapted to the United States |
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Page 15
It teaches to exa press the value of any proposed number by the following characters , or figures : 1 , 2 , 3 , 4 , 5 ... which depends upon the place it stands in , viz . any figure in the place of units , represents only its simple ...
It teaches to exa press the value of any proposed number by the following characters , or figures : 1 , 2 , 3 , 4 , 5 ... which depends upon the place it stands in , viz . any figure in the place of units , represents only its simple ...
Page 16
9 8 7 6 5 4 3 2 1 - 987 inillion 654 thousand 321 . 1 2 3 4 5 6 7 8 9 - 123 million 456 thousand 789 . 9 8 7 6 5 4 3 4 8 - 987 million 654 thousand 348 . To know the value of any number of figures . RULE .
9 8 7 6 5 4 3 2 1 - 987 inillion 654 thousand 321 . 1 2 3 4 5 6 7 8 9 - 123 million 456 thousand 789 . 9 8 7 6 5 4 3 4 8 - 987 million 654 thousand 348 . To know the value of any number of figures . RULE .
Page 17
For convenience in reading large numbers , they may be divided into periods of three figures each , as follows ... and 30 on , towards the left hand , writing each figure according to its proper value in numeration ; taking care to ...
For convenience in reading large numbers , they may be divided into periods of three figures each , as follows ... and 30 on , towards the left hand , writing each figure according to its proper value in numeration ; taking care to ...
Page 18
Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in that column , consider how many tens are contained in their sum ; set down the remainder under ...
Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in that column , consider how many tens are contained in their sum ; set down the remainder under ...
Page 19
... and reckon the figures downwards in the same manner as they were added upwards , and if it be right , this sum total will be equal to the first : Or cut off the upper line of figures , and find the amount of the rest ; then if the ...
... and reckon the figures downwards in the same manner as they were added upwards , and if it be right , this sum total will be equal to the first : Or cut off the upper line of figures , and find the amount of the rest ; then if the ...
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3qrs acres added allowing amount annuity annum answer Bought Bring bushels called cent ciphers cloth common containing continue cost cube currency decimal demand denominator difference Divide dividend divisor dollars dols equal EXAMPLES farthings federal money feet figure Find the value fraction gain gallon give given given sum gross half hhds hundred inches interest length less lose loss lowest measure merchants method miles mills mixed months Multiply neat nine paid payment pence period piece pound present worth principal proportion quantity question quotient ratio received Reduce remainder right hand rods root RULE sell share shillings simple sold solid sort square subtract sugar Suppose Table tare term third thousand unit weight whole whole numbers wine yards
Bibliographic information
| Title | Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetick, Adapted to the United States |
| Author | Nathan Daboll |
| Publisher | Mack and Andrus, 1827 |
| Original from | Harvard University |
| Digitized | 25 Aug 2007 |
| Length | 252 pages |
| Export Citation | BiBTeX EndNote RefMan |