The Foreign and Domestic Commercial Calculator; Or, A Complete Library of Numerical, Arithmetical, and Mathematical Facts, Tables, Data, Formulas, and Practical Rules for the Merchant and Mercantile Accountant
The author, 1867 - 220 σελίδες
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acid alloy annuity antimony arithmetical progression arroba atmosphere Avoirdupois bung diameter Camphene candles cantaro capacity carats cask cast iron cent centner co-efficient Cologne mark colorless compound interest copper cubic feet cubic foot cubic inches cylindrical decimal denominator discount divide the product dividend divisor dollar Ducat eimer equal ExAMPLE feet a second Florin Foreign fraction France frustum gauge given number gold groschen half head diameter hydrogen interior diameter kreuzer length libbra Lira Livre maund measure metal miles Multiply number of terms number of things oncia ounces oxygen palmi payments peso duro pfennig pfund Piastre pipe pounds present worth pure quantity quintal quotient ratio reál reduce Rixdollar root rotoli RULE Scudo shillings silver coins solidity specific gravity standard TABLE Thaler thickness troy grains ullage United velocity viertel whole numbers wine gallons yard yearly Zinc zoll
Σελίδα 136 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Σελίδα 148 - 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.
Σελίδα 100 - To reduce a whole number to an equivalent fraction, having a given denominator. RULE. Multiply the whole number by the given denominator, and place the product over the said denominator, and it will form the fraction required.
Σελίδα 104 - It will be seen that we multiply the denominator of the dividend by the numerator of the divisor for the denominator of the quotient, and the numerator of the dividend by the denominator of the divisor for the numerator of the quotient.
Σελίδα 149 - Subtract the cube of this number from the first period, and to the remainder bring down the first figure of the next period for a dividend.
Σελίδα 115 - Sir," said I, after puzzling a long time over "more requiring more and less requiring less" — "will you tell me why I sometimes multiply the second and third terms together and divide by the first — and at other times multiply the first and second and divide by the third?" "Why, because more requires more sometimes, and sometimes it requires less — to be sure. Haven't you read the rule, my boy?" " Yes, sir, I can repeat the rule, but I don't understand it.
Σελίδα 147 - ... 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 in the dividend...
Σελίδα 154 - GEOMETRICAL PROGRESSION. A series of three or more numbers, increasing by a common multiplier, or decreasing by a common divisor, is called a geometrical progression. If the greater numbers of the progression are to the right, the progression is called an ascending geometrical progression, but, on the contrary, if they are to the left, it is called a descending geometrical progression. The number by which the progression is formed, that is, the common multiplier, or divisor, is called the ratio.