Daboll's Schoolmaster's Assistant |
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Σελίδα 169
A TABLE OF RATIOS . | Rate per cent . , 04 2045 205 Rate per cent . 1 Ratio .
Ratio . 3 , 03 51 , 055 4 6 , 06 65 , 065 , 07 Ratio is the simple interest of ll . for
one year ; or in federal money , of $ 1 for one year , at the rate per cent . agreed
on .
A TABLE OF RATIOS . | Rate per cent . , 04 2045 205 Rate per cent . 1 Ratio .
Ratio . 3 , 03 51 , 055 4 6 , 06 65 , 065 , 07 Ratio is the simple interest of ll . for
one year ; or in federal money , of $ 1 for one year , at the rate per cent . agreed
on .
Σελίδα 170
211,45 Principal . , 05 Ratio . 10,5725 Interest for one year . 5 Multiply by the time
. 9 1 years at 6 Y 52,8625 Ans . = 852 , 86cts . 24m . 2. What is the interest of 645l
. 10s . for 3 years , at 6 per cent . per annum ? £ 645,5 * 06x3 = 116,190 ...
211,45 Principal . , 05 Ratio . 10,5725 Interest for one year . 5 Multiply by the time
. 9 1 years at 6 Y 52,8625 Ans . = 852 , 86cts . 24m . 2. What is the interest of 645l
. 10s . for 3 years , at 6 per cent . per annum ? £ 645,5 * 06x3 = 116,190 ...
Σελίδα 197
PROBLEM I. The first term , the last term ( or the extremes ) and the ratio given , to
find the sum of the serieś . RULE . Multiply the last term by the ratio , and from the
pro duct subtract the first term ; then divide the remainder by the ratio , less by ...
PROBLEM I. The first term , the last term ( or the extremes ) and the ratio given , to
find the sum of the serieś . RULE . Multiply the last term by the ratio , and from the
pro duct subtract the first term ; then divide the remainder by the ratio , less by ...
Σελίδα 199
When the first term of the series and the ' ratio are diffe . rent , that is , when the
first term is either greater or less than the ratio . * 1. Write down a few of the
leading terms of the series , and begin the indices with a cypher : Thus , 0 , 1 , 2 ,
3 , & c ...
When the first term of the series and the ' ratio are diffe . rent , that is , when the
first term is either greater or less than the ratio . * 1. Write down a few of the
leading terms of the series , and begin the indices with a cypher : Thus , 0 , 1 , 2 ,
3 , & c ...
Σελίδα 207
Divide the Annuity by that power of the ratio denoted by the time of its
continuance . 2. Subtract the quotient from the Annuity : Divide the remainder by
the ratio less 1 , and the quotient will be the present worth to commence
immediately . 3.
Divide the Annuity by that power of the ratio denoted by the time of its
continuance . 2. Subtract the quotient from the Annuity : Divide the remainder by
the ratio less 1 , and the quotient will be the present worth to commence
immediately . 3.
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Συχνά εμφανιζόμενοι όροι και φράσεις
3qrs 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 Entered equal EXAMPLES expression 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 method miles mills mixed months Multiply New-York paid payment pence period piece pound principal proportion quantity question quotient ratio received Reduce remainder right hand rods RULE sell share shillings simple sold solid sort Sterling subtract sugar Table tare third thousand unit whole whole numbers wine yards
Πληροφορίες βιβλιογραφίας
| Τίτλος | Daboll's Schoolmaster's Assistant |
| Συγγραφέας | Nathan Daboll |
| Εκδότης | G. Tracy, 1839 |
| Πρωτότυπο από | Κρατικό πανεπιστήμιο του Οχάιο |
| Ψηφιοποιήθηκε στις | 12 Μαρ. 2014 |
| Μέγεθος | 249 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |