The young mathematician's guide [electronic resource] : 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; wherein the Method of Raising and Resolving, Aequations is rendered Easy; and Illustrated with Variety of Examples, and Numerical Questions. Also the whole Business of Interest and Annuities, &c. perform'd by the Pen. III. The Elements of Geometry, Contracted, and Analytically Demonstrated; With a New and Easy Method of finding the Circle's Periphery and Area to any assigned Exactness, by one Aequation 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 Explain'd, and render'd Easy; with its Application to superficial and solid Geometry. With an appendix of practical gauging. The fifth edition, carefully corrected; and new tables of compound interest at five per cent. Calculated, and added by the author, John Ward.