A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 34
... value of 9 cwt . ( see the numerator of the divisor ) ; and , as 9 cwt . is more than 7 by 1 , or the of 9 cwt ... greatest num- ber , and capable of being reduced . ) I have then the frac- tion thus , = W = £ 7 , 4 of a £ . , or 13 ...
... value of 9 cwt . ( see the numerator of the divisor ) ; and , as 9 cwt . is more than 7 by 1 , or the of 9 cwt ... greatest num- ber , and capable of being reduced . ) I have then the frac- tion thus , = W = £ 7 , 4 of a £ . , or 13 ...
Σελίδα 86
... higher number of hundreds , thousands , & ' c . , subtract as many times the multiplicand as the multiplier falls short of the number of hundreds , thou- sands , & c . , taking care that if your multiplier be hundreds , put two dots or ...
... higher number of hundreds , thousands , & ' c . , subtract as many times the multiplicand as the multiplier falls short of the number of hundreds , thou- sands , & c . , taking care that if your multiplier be hundreds , put two dots or ...
Σελίδα 104
... highest number of millions , namely , hundreds of thousands of millions ; add six figures more , and we have the highest number of billions ; add six more again , will make 24 figures ; this will express the highest number of trillions ...
... highest number of millions , namely , hundreds of thousands of millions ; add six figures more , and we have the highest number of billions ; add six more again , will make 24 figures ; this will express the highest number of trillions ...
Σελίδα 105
... greatest num- ber , ) and the sum is 35 ; so that 735 is the difference required . This , by frequent practice ... number every period , so that the numbers of one shall answer to the numbers of the other ; which are to be deducted ...
... greatest num- ber , ) and the sum is 35 ; so that 735 is the difference required . This , by frequent practice ... number every period , so that the numbers of one shall answer to the numbers of the other ; which are to be deducted ...
Σελίδα 107
... NUMBER OF POUNDS TO FARTHINGS VERY EXPE- DITIOUSLY BY THE HEAD , OR MENTALLY . Before proceeding to give ... highest value of his product ; and so by continuing on with three figures from left to right , as in the numeration table , end ...
... NUMBER OF POUNDS TO FARTHINGS VERY EXPE- DITIOUSLY BY THE HEAD , OR MENTALLY . Before proceeding to give ... highest value of his product ; and so by continuing on with three figures from left to right , as in the numeration table , end ...
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12 per cent acres aliquot annexed annum answered mentally barley corns brought to farthings ciphers compound interest consequently cost price cube root deducted denominator difference dividend DIVISIONAL PROCESSES divisor doubling the right drams dwts ell English equal figure and fraction find the product find the value gain per cent gallons given number grains highest number hundreds last right hand left hand figure lowest terms mental calculation minutes multiplicand Multiply the given namely number of digits number of farthings number of figures number of months number of pounds number of shillings numeration table observe the following ounces pounds sterling principal put proceed put to interest quantity quotient rate per cent reader reduce remainder right hand figure selling price shews shillings and pence subtract Suppose tenpences three figures three left hand three right hand tons troy vulgar fraction weeks whole number yard cost yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 161 - Time, in advance, behind him hides his wings, And seems to creep, decrepit with his age ; Behold him, when past by ; what then is seen, But his broad pinions swifter than the winds ? And all mankind, in contradiction strong, Rueful, aghast ! cry out on his career.
Σελίδα 21 - Divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 135 - If the price be an even number of shillings under 20 — multiply the quantity by half the number, doubling the first figure of the product for shillings, and the rest will be pounds.
Σελίδα 1 - ... and is called the denominator. The number above the line is called the numerator, because by it we enumerate, or express the number of parts taken.
Σελίδα 18 - Hence the BANK RULE. Multiply the principal by the number of days, and divide by 6000 ; the quotient will be the interest at 6 per cent. For any other rate than 6 per cent., compute the interest in the same manner, and add or subtract such part as may be required. For 4 per cent. subtract j ; for 4i per cent. subtract J ; for 5 per cent. subtract J ; for 7 per cent. add...
Σελίδα 153 - How often will the wheel of a coach, that is 17 feet in circumference, turn in 100 miles? Ans.
Σελίδα 31 - Cambric, which cost me 90/ but some Damage having happened to it, I am willing to lose...
Σελίδα 12 - RULE. Reduce the given Quantity to the lowest Name mentioned, for a Numerator ; under which put the Number of those Parts contained in an Unit of the Integer for a Denominator, then reduce the Fraaion to its lowest Terms.
Σελίδα 32 - If § of a yard cost § of a £, what will J of a yard cost? A
Σελίδα 55 - ... the amount, from which subtract the principal and the remainder will be the compound interest.