Practical Arithmetic; in four books. I. Of whole numbers, weights, and measures. II. Fractions, Vulgar and Decimal. III. Mercantile Arithmetick. IV. Extractions, Progressions, Logarithms, &c. Extracted from the larger entire treatise, carried on by subscription, and adapted to the commerce of Ireland, as well as that of Great Britain. For the use of schools

by John Gough (undifferentiated)