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 7
... Insurance Interest , Simple by Decimals Compound by Decimals Inverse
Proportion Involution Loss and Gain Multiplication , Simple Application and use
of Suppliment to Compound Numeration Practice Position Permutation of
Quantities 22 ...
... Insurance Interest , Simple by Decimals Compound by Decimals Inverse
Proportion Involution Loss and Gain Multiplication , Simple Application and use
of Suppliment to Compound Numeration Practice Position Permutation of
Quantities 22 ...
Page 126
INSURANCE , IS a premium at so much per cent . allowed to persons and offices
, for making good the loss of ships , houses , merchandize , & c . which may
happen from storms , fire , & c . EXAMPLES . 1. What is the insurance of 7251. 8s
.
INSURANCE , IS a premium at so much per cent . allowed to persons and offices
, for making good the loss of ships , houses , merchandize , & c . which may
happen from storms , fire , & c . EXAMPLES . 1. What is the insurance of 7251. 8s
.
Page 138
Being a Plain Practical System of Arithmetic: Adapted to the United States Nathan
Daboll. EQUATION OF PAYMENTS , Is finding the equated time to pay at once ,
several debts due at different periods of time , so that no loss shall be sustained ...
Being a Plain Practical System of Arithmetic: Adapted to the United States Nathan
Daboll. EQUATION OF PAYMENTS , Is finding the equated time to pay at once ,
several debts due at different periods of time , so that no loss shall be sustained ...
Page 140
... LOSS AND GAIN , Is a rule by which merchants and traders discover their profit
or loss in buying and selling their goods : it also instructs them how to rise or fall
in the price of their goods , so as to gain or lose so much per cent . or otherwise ...
... LOSS AND GAIN , Is a rule by which merchants and traders discover their profit
or loss in buying and selling their goods : it also instructs them how to rise or fall
in the price of their goods , so as to gain or lose so much per cent . or otherwise ...
Page 141
First see what the gain or loss is by subtraction ; then As the price it cost : is to the
gain or loss : : so is 100l . or 8100 , to the gain or loss per cent . EXAMPLES . 1. If
I buy Irish linen at 2s . per yard , and sell it again at 2s . 8d . per yard ; what do I ...
First see what the gain or loss is by subtraction ; then As the price it cost : is to the
gain or loss : : so is 100l . or 8100 , to the gain or loss per cent . EXAMPLES . 1. If
I buy Irish linen at 2s . per yard , and sell it again at 2s . 8d . per yard ; what do I ...
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Common terms and phrases
acres added allowing amount annuity annum answer Bought Bring bushels called cent cloth common contain continue cost cube currency cyphers decimal Deduct demand denominator difference Divide dividend divisor dollars dols English equal EXAMPLES farthings federal money feet figure Find the value fraction gain gallon give given given number given sum gross half hundred inches interest least left hand length less loss measure merchants method miles mills mixed months Multiply New-York paid payment pence period piece pound present worth principal proportion quantity question quotient ratio received Reduce remainder right hand RULE sell share shillings simple sold solid sort square root sterling subtract sugar Table tare term third thousand unit whole whole number wine yards
Popular passages
Page 174 - 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 all the payments are absorbed; provided the time between one payment and another be one year or more.
Page 190 - IS the method of finding what quantity of each 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. CASE I. When the mean rate of the whole mixture, and the rates of all the ingredients are given, without any limited quau
Page 40 - RULE.* 1. 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...
Page 184 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 180 - ... it at the right hand of the given number, (after the manner of a quotient in division) for the first figure of the root, and the square number under the period, and 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 left hand of the dividend for a divisor.
Page 220 - 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 180 - ... 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 left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Page 211 - A hare starts 40 yards before a grey-hound, and is not perceived by him till she has been up 40 seconds : she scuds away at the rate of...
Page 228 - In the same manner multiply all the multiplicand by the inches, or second denomination, in the multiplier, and set the result of each term one place removed to the right hand of those in the multiplicand.
Page 238 - Obligation to be void, otherwise to remain in full force and virtue.
Bibliographic information
| Title | Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain Practical System of Arithmetic: Adapted to the United States |
| Author | Nathan Daboll |
| Edition | 5 |
| Publisher | Printed and published E. & E. Hosford, 1821 |
| Original from | the University of Michigan |
| Digitized | 11 Jun 2007 |
| Length | 240 pages |
| Export Citation | BiBTeX EndNote RefMan |