The young mathematician's guide : Being a plain and easy introduction to the mathematicks. In five parts. Viz. I. Arithmetick, vulgar and decimal, with all the useful rules; and a general method of extracting the roots of all single powers. II. Algebra, or arithmetick in species; wherien the method of raising and resolving equations is rendered easy; and illustrated with variety of examples, and numerical questions. Also the whole business of interest and annuities, &c. performed by the pen. III. The elements of economy, contracted, and analytically demonstrated; with a new and easy method of finding the circle's periphery and area to any assigned exactness, by one equation only: also a new way of making sines and tangents. IV. Conick [sections], wherein the chief properties, &c. of the ellipsis, parabola, and hyperbola, are clearly demonstrated. V. The arithmetick of infinites explained, and rendered easy; with it's application to superficial and solid geometry. With an appendix of practical gauging. By John Ward. The ninth edition, carfully corrected. To which is added a supplement, containing the history of logarithms, and an index to the whole work.