## Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice of Arithmetic and Mensuration ; in which the General Principles Involved in Practical Calculations are Thoroughly Elucidated and Illustrated by Numerous Analytic and Abbreviated Examples |

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Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice ... Thomas Rainey Visualizzazione completa - 1849 |

Rainey's Improved Abacus: An Explanatory Treatise on the Theory and Practice ... Thomas Rainey Anteprima non disponibile - 2017 |

### Parole e frasi comuni

12 rods 20 per cent 50 cents added amount Arithmetic ascertain avoirdupois bushel calculations canceled centum ciphers circle circumference cistern cogs commission cord cost price cubic inches DECIMAL FRACTIONS deducted demand denominator dimensions discount divided dividend divisor duty Ephah equal feet long figure foot frustum gain or loss give given Hence hight hours long hundredths of cents hypotenuse improper fraction inches in diameter inches wide interest length lose measure merator miles mixed number multiplied necessary number of decimals payment pounds premium present worth principal profit and loss proportion question quotient rate per cent ratio reckoned reduced rods selling price side silver sold solid square root statement subtract supposition swer tare TARE AND TRET term of answer thick tion triangle twice usury weight whole number width wine gallons yards of cloth

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Pagina 46 - 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...

Pagina 60 - A hare starts 12 rods before a greyhound, but is not perceived by him till she has been up 45 seconds ; she scuds away at the rate of 10 miles an hour, and the dog...

Pagina 45 - ... due. If the payment be less than the Interest, the surplus of interest must not be taken to augment the principal ; but interest continues on the former principal until the period when the payments, taken together, exceed the interest due...

Pagina 46 - 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.

Pagina 45 - The rule for casting interest, when partial payments have been made, is to apply the payment, in the first place, to the discharge of the interest then due. " If the payment exceeds the interest, the surplus goes towards discharging the principal, and the subsequent interest is to be computed on the balance of principal remaining due.

Pagina 45 - If the payment be less than the interest, the surplus of interest must not be taken to augment the principal; but interest continues on the former principal until the period when the payments, taken together, exceed the interest due, and then the surplus is to be applied towards discharging the principal; and interest is to be Computed on the balance, as aforesaid.

Pagina 231 - ... of the breadth, and take the depth from the under side of the deck plank to the ceiling in the hold, then multiply and divide as aforesaid, and the quotient shall be deemed the tonnage.

Pagina 46 - ... 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...

Pagina 162 - If a footman travel 240 miles in 12 days, when the days are 12 hours long; how many days will he require to travel 720 miles, wh-jn the days are 16 hours long?

Pagina 237 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.