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• The ready reckoner, or, Trader's most useful assistant, in buying and selling all sorts of commodities either wholesale or retail : shewing at one view the amount or value of any number or quantity of goods or merchandise from one farthing to twenty shillings, either by the long or short hundred, half hundred or quarter, pound or ounce, ell or yard, &c. &c., in so plain and easy a manner, that persons quite unacquainted with arithmetic may hereby ascertain the value of any number of hundreds, pounds, ounces, ells or yards, &c. at any price whatever ... /
  by: Fenning, Daniel
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• The ready reckoner, or, The trader's useful assistant, in buying and selling all sorts of commodities, either wholesale or retail. : Shewing, at one view, the amount or value of any number or quantity of goods or merchandise, from half a farthing to 20s. either by the long or short hundred, half hundred, or quarter, pound or ounce, ell or yard, &c. &c.--In so plain and easy a manner, that a person, quite unacquainted with arithmetick, may hereby ascertain the value of any number of hundreds, pounds, ounces, ells or yards, &c. at any price whatever.--To the most ready in figures it will be equally useful, by casting up what is here correctly done to their hand. : To which is added, a table of simple and compound interest. /
  by: Fenning, Daniel
  Published: (1794)
• Panarithmologia : being a mirror, breviate, treasure, mate, for merchants, bankers, tradesmen, mechanicks, and a sure guide for purchasers, sellers, or mortgagers of land, leases, annuities, rents, pensions, &c. in present possession or reversion : and a constant concomitant fitted for all mens occasions : in three parts : all performed by tables ready cast up ... : all which tables are made easie by variety of examples /
  by: Leybourn, William, 1626-1716
  Published: (1693)