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Arithmetick : made easie for the use and benefit of trades-men. Wherein the nature and use of fractions, both vulgar and decimal, are taught by a new and exact method. Also The Mensuration of Solids and Superficies. The sixteenth edition, corrected and amended. By J. Ayres, late Writing-Master, in St. Paul's Church-Yard, London. To which is added, A short and easie method; after which shop-keepers may State, Post, and balance their books of accompts. By Charles Snell, Writing-Master, and Accomptant, in Foster-Lane, London.
Eighteenth Century Collections Online I (ECCO) Available online
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