Daboll's Schoolmaster's Assistant, Improved and Enlarged: Being a Plain Practical System of Arithmetic: Adapted to the United States |
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Page 5
... period which I have devoted to the instruction of youth in Arithmetic , I have made use of various systems which have just claims to scientific mer- it ; but the authors appear to have been deficient in an important point - the ...
... period which I have devoted to the instruction of youth in Arithmetic , I have made use of various systems which have just claims to scientific mer- it ; but the authors appear to have been deficient in an important point - the ...
Page 15
... period of units , the second that of millions , the third billions , the fourth trillions , & c . as in the following number : 8 0 7 3 6 2 5 4 6 2 7 8 9 0 1 2 5 0 · 6 7 9 2 1. Period of 4. Period of 3. Period of 2. Period of Trillions ...
... period of units , the second that of millions , the third billions , the fourth trillions , & c . as in the following number : 8 0 7 3 6 2 5 4 6 2 7 8 9 0 1 2 5 0 · 6 7 9 2 1. Period of 4. Period of 3. Period of 2. Period of Trillions ...
Page 17
... periods of three figures each , as follows : 987 , Nine hundred and eighty - seven . 987 000 , Nine hundred and eighty - seven thousand 987 000 000 , Nine hundred and eighty - seven million . 987 654 321 , Nine , hundred and eighty ...
... periods of three figures each , as follows : 987 , Nine hundred and eighty - seven . 987 000 , Nine hundred and eighty - seven thousand 987 000 000 , Nine hundred and eighty - seven million . 987 654 321 , Nine , hundred and eighty ...
Page 133
... periods of time , but in a long course of years , it will be found to be very errone- ous . Although this method seems at first view to be upon the ground of simple interest , yet upon a little attention the following objection will be ...
... periods of time , but in a long course of years , it will be found to be very errone- ous . Although this method seems at first view to be upon the ground of simple interest , yet upon a little attention the following objection will be ...
Page 138
... periods of time , so that no loss shall be sustained by either party . RULE . Multiply each payment by its time , and divide the sum of the several products by the whole debt , and the quotient will be the equated time for the payment ...
... periods of time , so that no loss shall be sustained by either party . RULE . Multiply each payment by its time , and divide the sum of the several products by the whole debt , and the quotient will be the equated time for the payment ...
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Common terms and phrases
100 dollars 2qrs 3grs 3qrs acres annex annuity annum answer arithmetical series barter Bought bushels common denominator compound interest contain cyphers Deduct demand dimes divide the product dividend divisor dols equal EXAMPLES federal money Find the value gain or loss gallon geometrical series given number given quantity given sum gross guineas hundred improper fraction inches integer least common least common multiple left hand lowest terms merchants miles mills milreas mixed numbers months Multiply the given neat weight New-England currency New-Jersey NOTE Nova-Scotia currency number of shillings number of terms paid payment pence pence and farthings pound sterling present worth principal quotient rate per cent ratio ready money Reduce remainder Required the interest right hand rods Rule of Three sell separatrix simple interest sold solid feet square root subtract subtrahend sugar tare VULGAR FRACTIONS whole numbers wine
Popular passages
Page 2 - District, has deposited in this office the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " THE CHILD'S BOTANY," In conformity to the act of the Congress of the United States, entitled, " An act for the encouragement of learning by securing the copies of maps, charts, and books to the authors and proprietors of such copies, during the times therein mentioned...
Page 172 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. If there be after payments made, compute the interest on the balance due, to the next payment, and then deduct the payment as above ; and in like manner from one payment to another till ail the payments are absorbed; provided the time between one payment and another be one year or more.
Page 188 - IS the method of finding what quantity of e'ach of the ingredients, whose rates are given, will compose a mixture of a given rate; so that it is the reverse of alligation medial, and may be proved by it.
Page 21 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Page 237 - I nominate, constitute, and appoint sole executrix of this my last will and testament, hereby revoking all other and former wills by me at any time heretofore made.
Page 172 - But if any payment be made before one year's interest hath accrued, then compute the interest on t!<e principal sura due on the obligation for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year ; add it to the sum paid, and deduct that sum from the principal and interest added as above...
Page 218 - To measure a parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area, or superficial content.
Page 181 - Subtract the cube thus found, from the said period, and to the remainder bring down the next period, and call this the dividend.
Page 156 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator; and they will form the fraction required.
Page 199 - EXAMPLES. 1. A schoolmaster being asked how many scholars he had, said, If I had as many more as I now have, half as many, one-third...