The Speedy Calculator: Being a System of Arithmeticauthor, 1850 - 324 σελίδες |
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Σελίδα 3
... rules , which hide their reasons from the student , however they may happen to answer mere business ends , have the effect of converting him into an automaton ; and , as he loses all the charm of those general laws and relations which a ...
... rules , which hide their reasons from the student , however they may happen to answer mere business ends , have the effect of converting him into an automaton ; and , as he loses all the charm of those general laws and relations which a ...
Σελίδα 4
... rules and unreasoning methods so generally in use . The first part of the work being intended for begin- ners , the mechanical part of the solutions are performed in the usual manner , but as the pupil advances , the ex- ercises are so ...
... rules and unreasoning methods so generally in use . The first part of the work being intended for begin- ners , the mechanical part of the solutions are performed in the usual manner , but as the pupil advances , the ex- ercises are so ...
Σελίδα 12
... RULE . Write the numbers to be added , so that units stand under units , tens under tens , hundreds under hundreds , & c . Then begin at the units or right hand column and add up the figures in that column , if the sum can be expressed ...
... RULE . Write the numbers to be added , so that units stand under units , tens under tens , hundreds under hundreds , & c . Then begin at the units or right hand column and add up the figures in that column , if the sum can be expressed ...
Σελίδα 19
... RULE . Write the less number under the greater , with units under units , tens under tens , & c . , then commence at the right hand or units place , and take each figure in the lower number from the one immediately above it ; when the ...
... RULE . Write the less number under the greater , with units under units , tens under tens , & c . , then commence at the right hand or units place , and take each figure in the lower number from the one immediately above it ; when the ...
Σελίδα 27
... RULE FOR MULTIPLICATION . Write the multiplier under the multiplicand , placing units under units , tens under tens , & c . Commence at the right hand and multiply each figure in the multiplicand separately , and place the right hand ...
... RULE FOR MULTIPLICATION . Write the multiplier under the multiplicand , placing units under units , tens under tens , & c . Commence at the right hand and multiply each figure in the multiplicand separately , and place the right hand ...
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12 cents 14 pounds 60 cents acres amount apples AVOIRDUPOIS barrels of flour bushels of wheat cents a bushel cents a gallon cents a pound cents a yard ciphers cloth cost column common difference contain cows cube root decimal denominator Divide dividend divisor drams DRY MEASURE ells equal feet 6 inches feet long furlongs gain gallons given number hence hogsheads hundred improper fraction inches wide interest learner least common denominator least common multiple left-hand less mean proportional measure merchant bought miles mixed number muslin nails number of terms ounces paid pecks pence pennyweights piece pint pound sterling quarters quarts question quotient ratio remainder right-hand figures rods roods sell sheep shillings sold square root Subtract sugar tens figure tons TROY WEIGHT units figure weight whole number yards cost yards of cloth