Context

Context of 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, by J. Ayres ... ; to which is added A short and easy method, after which shop-keepers may state, post, and balance their books of accompts, by Charles Snell, (electronic resource)
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