The universal calculator [electronic resource] : 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. D̂sl of an ounce. 1 ounce. 2 ounces. 3 ounces. ơ of a lib. Half a lib. D̂sl of a lib. A lib. For Dealers by Measure, such as Milliners, Haberdashers, &c. The Price of ơ of a nail. Half a nail. D̂sl of a nail. A nail. Half a quarter. 3 nails. ơ of a yard. Half a yard. D̂sl 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.