Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain Praactical System of Arithmetic, Adapted to the United States |
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Page 5
... period which I have devoted to the in- struction of youth in Arithmetic , I have made use of various systems which have just claims to scientific merit ; but the authors appear to have been deficient in an important point - the ...
... period which I have devoted to the in- struction of youth in Arithmetic , I have made use of various systems which have just claims to scientific merit ; 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 : 6073 6 2 5 4 6 2 7 8 9 0 1 2506 7 9 2 4. Period of 3. Period of 2. Period of 1. Period of Trillions . 8073 ...
... period of units , the second that of millions , the third billions , the fourth trillions , & c . as in the following number : 6073 6 2 5 4 6 2 7 8 9 0 1 2506 7 9 2 4. Period of 3. Period of 2. Period of 1. Period of Trillions . 8073 ...
Page 16
... 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 121
... 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 ...
... 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 ...
Page 126
... 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 acres annuity annum answer Anthony Billings arithmetical series Bought bushels ciphers common denominator compound interest containing cube dimes Divide dividend divisor dols Ell English equal EXAMPLES federal money figure Find the value gain or loss gallon gals geometrical series given number given sum gross hhds hundred improper fraction inches least common multiple left hand lowest terms measure merchant miles mills milreas mixed numbers months Multiply neat weight New-England currency New-York NOTE Nova-Scotia currency number of shillings number of terms paid payment pence pound pound sterling present worth principal quotient rate per cent ratio ready money Reduce remainder Required the interest right hand rods Rule of Three RULE.-Multiply the given separatrix simple interest sold square root sterling subtract sugar tare third Thomas Grosvenor tret tuns VULGAR FRACTIONS whole number wine yards cost
Popular passages
Page 162 - But if any payment be made before one year's interest hath accrued, then compute the interest on the principal sum 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 162 - 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, arid then deduct the payment as above ; and, in like manner, from one payment to another, till all the payments are absorbed ; provided the time between one payment and another be one year or more.
Page 208 - To measure a parallelogram or long square. RULE.— Multiply the length by the breadth, and the product will be the area, or superficial content, in the same name as that in which the dimension was taken, whether inches, feet, or rods, etc.
Page 168 - ... subtract it therefrom, and to the remainder bring down the next period for a dividend. 3. " Place the double of the root, already found, on the lefl hand of the dividend for a divisor.
Page 147 - Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Page 163 - COMPUTE the interest on the principal sum, from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due: add that interest to the principal, and from the sum subtract the payment made at that time, together with the preceding payments (if any) and the remainder forms a new principal ; on which, compute and subtract the interest, as upon the first principal: and proceed...
Page 214 - How many bricks, 8 inches long, 4 inches wide, and 2 inches thick, will it take to build a wall 40 feet long, 20 feet high, and 2 feet thick ? Ans.
Page 183 - Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Page 227 - Signed, sealed, published and declared by the said testator, BA as and for his last will and testament...
Page 190 - If the errors are alike, divide the difference of the products by the difference of the errors, and the quotient will be the answer.