Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain Practical System of Arithmetick, Adapted to the United StatesMack & Andrus, 1831 - 240 páginas |
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Página 13
... ( " ) make 60 minutes , 30 degrees , Zodiack . 1 minute , 1 degree , 1 sign , S. 12 signs , or 360 degrees , the whole great circle of the B Explanation of Characters used in this Book Equal to , ARITHMETICAL TABLES . 13.
... ( " ) make 60 minutes , 30 degrees , Zodiack . 1 minute , 1 degree , 1 sign , S. 12 signs , or 360 degrees , the whole great circle of the B Explanation of Characters used in this Book Equal to , ARITHMETICAL TABLES . 13.
Página 14
... Equal to , as 12d . = 1s . signifies that 12 pence are equal to I shilling . + More , the sign of Addition ; as , 5 + 7 = 12 , signifies that 5 and 7 added together , are equal to 12 . Minus , or less , the sign of Subtraction ; as , 6 ...
... Equal to , as 12d . = 1s . signifies that 12 pence are equal to I shilling . + More , the sign of Addition ; as , 5 + 7 = 12 , signifies that 5 and 7 added together , are equal to 12 . Minus , or less , the sign of Subtraction ; as , 6 ...
Página 17
... equal to the whole or sum total ; as 4 dollars and 6 dollars in one sum is 10 dollars . RULE . Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in ...
... equal to the whole or sum total ; as 4 dollars and 6 dollars in one sum is 10 dollars . RULE . Having placed units under units , tens under tens , & c . draw a line underneath , and begin with the units ; after adding up every figure in ...
Página 19
... equal to the first : Or cut off the upper line of figures , and find the amount of the rust ; then if the amount and upper line , when added , be equal to the total , the work is supposed to be right . 2. There is another method of ...
... equal to the first : Or cut off the upper line of figures , and find the amount of the rust ; then if the amount and upper line , when added , be equal to the total , the work is supposed to be right . 2. There is another method of ...
Página 24
... equal to the greatest , the work is right . ( 1. ) EXAMPLES . ( 2. ) Greatest number , 2 4 6 8 62157 Least number , ( 3. ) 8 7 9 6 4 7 5 1 3 4 6 12148 1 6 4 3 4 89 Difference , Proof , ( 4. ) From 41678839 Take 31542999 ( 5. ) 918764520 ...
... equal to the greatest , the work is right . ( 1. ) EXAMPLES . ( 2. ) Greatest number , 2 4 6 8 62157 Least number , ( 3. ) 8 7 9 6 4 7 5 1 3 4 6 12148 1 6 4 3 4 89 Difference , Proof , ( 4. ) From 41678839 Take 31542999 ( 5. ) 918764520 ...
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Términos y frases comunes
100 dollars acres annuity annum answer barter Bought bushels ciphers common denominator common difference compound interest contain debt Deduct demand dimes Divide dividend divisor dols duct equal EXAMPLES federal money figure Find the value fraction required gain or loss gallon gals geometrical series given number given quantity gross guineas hhds hundred improper fraction inches least common multiple left hand lowest terms measure miles mills milreas mixed numbers months Multiply neat weight New-England currency New-York NOTE number of shillings number of terms paid payment pence pound pound sterling present worth principal quotient rate per cent ratio ready money remainder Required the interest right hand rods Rule of Three sell separatrix simple interest sold solid feet square root sterling subtract subtrahend sugar tare third Thomas Grosvenor tret tuns VULGAR FRACTIONS whole number wine yards cost
Pasajes populares
Página 172 - IS the method of finding what quantity of each of tin ingre<linnts 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. CASE I.
Página 162 - Find the greatest square number in the first, or left hand period' place the root of it at the right hand of the given number, (after the manner of a quotient in division...
Página 177 - Multiply the sum of the extremes by the number of terms, and half the product will be the answer. EXAMPLES. 1. The first term of an arithmetical series is 3, the last term 23, and the number of terms 1 1 ; required the sum of the series.
Página 156 - 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 all the payments are absorbed ; provided the time between one payment and another be one year or more.
Página 202 - To measure a parallelogram, or long square. RULE. Multiply the length by the breadth, and the product will be the area, or superficial content.
Página 157 - 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...
Página 208 - Multiply the length by the breadth, and that product by the depth, divide the last product by 2150,425 the solid inches in a statute bushel, and the quotient will be the answer.
Página 176 - I 2,4,6,8, &c. is an ascending arithmetical series : o ( 8,6,4,2, &c. is a descending arithmetical series : The numbers which form the series, are called the terms of the progression ; the first and last terms of which aro called the extremes.* PROBLEM I.
Página 38 - Place the numbers so that those of the same denomination may stand directly under each other. 2. Add the first column or denomination together, as in whole numbers; then divide the sum by as many of the same denomination as make one of the next greater; setting down the remainder under the column added, and carry the quotient to the next superior denomination, continuing the same to the last, which add, as in simple addition.
Página 99 - Weight, which is the whole weight of any sort of goods, together with the box, cask, or bag, &c. which contains them. 2. Tare, which is an allowance made to the buyer, for the weight of the box, cask, or bag, ifec.