## Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain and Practical System of Arithmetick Adapted to the United States |

### From inside the book

Results 1-5 of 41

Page 7

Interest , Simple , by Decimals , . . Compound , - - - by Decimals , - Inverse

Proportion , Involution , - - loss and Gain , - Multiplication , Simple , - Application

and Use ...

**Subtraction**of Fellowship , . . . Compound , . . Fractions , Vulgar and Decimal ,Interest , Simple , by Decimals , . . Compound , - - - by Decimals , - Inverse

Proportion , Involution , - - loss and Gain , - Multiplication , Simple , - Application

and Use ...

Page 8

204

, Addition ,

and Motion , . . - showing the number of days from any day of one month to the ...

204

**Subtraction**, Simple , - 28 - - Compound , - • - Table , Numeration and Pence, Addition ,

**Subtraction**, and Multiplication , of Weight and Measure , - - of Timeand Motion , . . - showing the number of days from any day of one month to the ...

Page 9

DABOLL ' S SCHOOLMASTER ' S ASSISTANT . ARITHMETICAL TABLES . d . s .

d . 1 20 is 1 8 30 26 40 3 4 50 4 2 60 5 0 1 70 5 10 80 68 90 6 100 8 4 110 9 21

120 10 0 ADDITION AND

DABOLL ' S SCHOOLMASTER ' S ASSISTANT . ARITHMETICAL TABLES . d . s .

d . 1 20 is 1 8 30 26 40 3 4 50 4 2 60 5 0 1 70 5 10 80 68 90 6 100 8 4 110 9 21

120 10 0 ADDITION AND

**SUBTRACTION**TABLE 11 | 2 | 3 |. Numeration Table . Page 10

... Enlarged : Being a Plain and Practical System of Arithmetick Adapted to the

United States Nathan Daboll. ADDITION AND

4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 2 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 141 31 51 6 .

... Enlarged : Being a Plain and Practical System of Arithmetick Adapted to the

United States Nathan Daboll. ADDITION AND

**SUBTRACTION**TABLE 11 | 2 | 3 |4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 2 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 141 31 51 6 .

Page 14

Minus , or less , the sign of

subtracted from 6 , leaves 4 . X Multiply , or with , the sign of Multiplication ; as ,

4X3 = 12 , signifies that 4 multiplied by 3 , is equal to 12 . • The sign of Division ;

as , 8 + 2 ...

Minus , or less , the sign of

**Subtraction**; as , 6 – 2 = 4 , sig . nifies that 2subtracted from 6 , leaves 4 . X Multiply , or with , the sign of Multiplication ; as ,

4X3 = 12 , signifies that 4 multiplied by 3 , is equal to 12 . • The sign of Division ;

as , 8 + 2 ...

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### Common terms and phrases

acres added allowing amount annum answer Bought Bring bushels called cent ciphers cloth common compound containing continue cost cube currency decimal demand denominator difference dimes Divide dividend divisor dollars dols equal EXAMPLES farthings federal money feet figure fraction gain gallon give given given number given sum greater gross half hundred inches interest left hand less loss lowest MEASURE merchant miles millions mills mixed months Multiply neat nine paid payment pence period piece pound present principal proportion quantity question quotient ratio received Reduce remainder right hand rods root RULE sell share shillings simple sold solid square stand sterling subtract sugar TABLE tare term third thousand units weight whole numbers wine worth yards

### Popular passages

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, 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 162 - But if any payments 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 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.

Page 154 - Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.

Page 185 - The first term, the last term (or the extremes) and the ratio given, to find the sum of the series RULE. Multiply the last term by the ratio, and from the product subtract the first term...

Page 124 - When the debtor keeps the annuity in his own hands beyond the time of payment, it is said to be in arrears. The sum of all the annuities for the time they have been foreborne, together with the interest due on each, is called the amount.

Page 177 - Alligation Alternate. ALLIGATION MEDIAL, Is when the quantities and prices of several things are given, to find the' mean price of the mixture compounded of those things.

Page 159 - The amount, principal, and rate per cent, given, to find the time. RULE. Subtract the principal from the amount; divide the remainder by the product of the ratio and principal; and the quotient -will be the time. EXAMPLES. 1. In what time will 950 dols. 75 cts. amount to 1235 dollars, 97,5 cents, at 6 per cent, per annum ? From the amount 81235,975 Take the principal 950,75 950,75x06=57,0450)285,2250(5 years, Ans.

Page 91 - Multiply the second and third terms together, and divide their product by the first term; and the quotient will be the answer to the question, in the same denomination you left the second term in, which may be brought into any other denomination required.