A miscellany of mathematical problems. [electronic resource] : In three volumes. By Anthony Thacker, Teacher of the Mathematicks at Birmingham Free-School. And the Author of the Ladies Diary. Vol.I. Containing, I. A New Method of solving Geometrical Problems: II. A Complete Treatise of Spherical Trigonometry, wherein each Case is solved as well by a neat Equation, to lay a Foundation for solving difficult Problems in Spherics, as by the Logarithms for common Purposes. III. A Collection of Spherical Problems. IV. Contains a Variety of unlimited Questions, and Diophantine Problems. V. The Solutions to the Questions in the Gentleman's and Ladies Diary, for the present Year 1743.