<<An>> entire new system of mercantile calculation : by the use of universal arbiter numbers. Introduced by an elementary description of, and commercial and political reflections on universal trade. Illustrated and Exemplified by the Elements of the Chain Rule of Three, the Nature of the Exchanges, and of all Charges and Contingencies on Goods; Which are also reduced to a Plain and Concise System, Intirely New and Universal. By an old merchant.

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• <<A>> new and universal practice of mercantile arithmetick : in which, what has hitherto appear'd obscure, is explain'd by such easie and familiar Rules, that the Learner may, without any other Help, arrive to a perfect Understanding of every thing that is necessary to be known in Trade: And particularly all the different Methods used in England, France and Holland. All which being perform'd without the Help of the Aliquot Parts, the Operations are thereby much Abridg'd. The whole applied to the Exchanges, Weights and Measures of all the Considerable Towns of Trade in Europe, by many Curious and Useful Operations and Calculations. In two parts. Written in French by the Sieur Monier de Claire-Combe, and done into English with his approbation.
  by: Monier de Clairecombe, Jean
  Published: (1707)
• <<The>> universal calculator : or the merchant's, tradesman's, and family's assistant. Being an entire, new, and complete set of tables, adapted for dealers in every branch of trade, by wholesale or retail, and all families. Shewing, at one View, The Amount or Value of any Number or Quantity of Goods or Merchandise, from One to Ten Thousand, at all the various Prices, from One Farthing, in regular progression, to Thirty Shillings; in 280 different Tables. Also, At the foot of each Table is shown the Division of the Pound, Yard, &c. into the following Particulars, entirely new, and not to be found in any other Book, viz. For Dealers by Weight, such as Grocers, &c The Price of of an ounce. Half an ounce. Dsl of an ounce. 1 ounce. 2 ounces. 3 ounces. ơ of a lib. Half a lib. Dsl of a lib. A lib. For Dealers by Measure, such as Milliners, Haberdashers, &c. The Price of ơ of a nail. Half a nail. Dsl of a nail. A nail. Half a quarter. 3 nails. ơ of a yard. Half a yard. Dsl of a yard. A yard. There are also added, Twenty-Seven Tables, Shewing the Exchange on Bills, Commission or Brokerage on Goods, &c. from ? to 5 per Cent. and Tables, shewing the amount of any Salary, Income, Expence, &c. by the Day, Week, Month, or Year. By John Thomson, Accomptant in Edinburgh, Author of the Tables of Interest, and Tables for Calculating the Price of all kinds of Grain.
  by: Thomson, John 1733?-1807
  Published: (1784)
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  by: Goodfellow, James
  Published: (1794)
• The correct and easy calculator containing a series of logarithmic numbers, so constructed as to facilitate the computation of duodecimals in the measurement of fire-wood, bark, timber, boards &c. ; together with the price of any article of traffic, at any given ratio ; to which is appended interest tables at 7 per cent, for dollars and pounds
  by: Young, David 1781-1852
  Published: (1818)
• <<The>> universal calculator : or the merchant's, tradesman's, and family's assistant. Being an entire, new, and complete set of tables, adapted for dealers in every branch of trade, by wholesale or retail, and all families, Shewing, at one View, The Amount or Value of any Number or Quantity of Goods or Merchandise, from One to Ten Thousand, at all the various Prices, from One Farthing, in regular progression, to Twenty Shillings. With I. Tables of Interest, from 1 Day to 30, and from 1 Month to 12-2. A Table, shewing the Number of Days from any Day in one Month to the same Day in any other. - 3. Tables of Commission or Brokerage, from 1/8 to 5 per Cent. To which are prefixed, I. A Table, shewing the Amount of any Salary, Income, &c. by the Day, Week, Month, or Year. - 2. A Table, for reducing English Bushels and Quarters to the Edinburgh Standard Corn Measure. - 3. An Entire New Set of Tables of the Different Weights and Measures, English and Scots, and such other Things as are necessary to be known in Different Branches of Business. A new edition. By John Thomson, Accomplant in Edinburgh, Author of the Tables of Interest, and Tables for Calculating the Price of Grain.
  by: Thomson, John 1733?-1807
  Published: (1793)