The young mathematician's guide. [electronic resource] : Being a plain and easie 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; wherein the method of raising and resolving q̆uations is rendered easie; and illustrated with variety of examples, and numerical questions. Also the whole business of interest and annuities, &c. performed by the pen. III. The elments of geometry, contracted, and analytically demonstrated; with a new and easie method of finding the circle's peripherty and area to any assigned exactness, by one q̆uation only; also a new way of making sines and tangents. IV. Conic sections, wherein the chief properties, &c. of the ellipsis, parabola, and hyperbola, are clearly demonstrated. V. The arithmetick of infinites explain'd, and render'd easie; with its application to superficial, and solid geometry. With an appendix of practical [ea]ging. The sixth edition, carefully corrected; and new tables of compound interest at five percent. calculated, and added by the author, John Ward.