Cobb's Explanatory Arithmetick, Number Two: Containing the Compound Rules and All that is Necessary of Every Other Rule in Arithmetic for Practical Purposes ... to which is Annexed a Practical System of Book-keeping
J. Kay & Brother, 1835 - 216 σελίδες
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Cobb's Explantory Arithmetick, Number Two: Containing the Compound Rules ...
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added Arithmetick borrow bushels carry the quotient cents and five cipher column of cents column of days column of hours column of pounds Compound Addition Compound Interest Compound Substraction cost cube root cubick currency decimal dimes divide the amount dividend divisor dollars drachms DRY MEASURE equal ExAMPLES For Theoretical Explan ATIONS farthings federal money figures five mills four gain gallon given number given sum higher denomination hogsheads hundred-weight hundredths improper fraction inches integer left hand lower denomination lower line lowest MEASURE merator merchant bought miles moidores multiply nett weight ounces payment pence pints present worth quantity quarts Reduce remainder Rule of Three shillings Simple Substraction Slate ſº sold square root substract the lower tare TARE AND TRET tenths third term Three Direct tion tret TROY WEIGHT twelve upper line Vulgar Fractions wheat whole amount whole numbers
Σελίδα 160 - 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.
Σελίδα 160 - 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.
Σελίδα 154 - ... 3d. If there be parts of a year, as months and days, work for the months by the aliquot parts of a year...
Σελίδα 13 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 212 - Separate the given number into periods of three figures each, by putting a point over the unit figure, and every third figure beyond the place of units. 2. Find the greatest cube in the left hand period, and put its root in the quotient. 3.
Σελίδα 117 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator. This product becomes the numerator of the result and the denominator remains the same, eg, 2 (5x3) + 2 15 + 2 17 3" 3 3 " 3 To change an improper fraction to a mixed number, simply divide the numerator by the denominator.
Σελίδα 132 - Multiply as in whole numbers, and point off as many figures for decimals, in the product, as there are decimals in the multiplicand and multiplier. If there be not so many figures in the product as there are decimal places in the multiplicand and multiplier, supply the deficiency by prefixing ciphers.
Σελίδα 168 - Multiply the second and third terms together, and divide their product by the first term; and the quotient will be the answer...
Σελίδα 174 - Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.