THE Practical Geometry by Messrs. Le Neve Foster and Dobbs consists of a collection of more than seven hundred examples, grouped in sets, each set illustrating some fundamental geometrical principle, ...

THE author of this book, who is one of the naval instructors on H.M.S. Britannia, has brought together the most important rules which are used in the solution of spherical triangles, and, after ...

Many people remember struggling with trigonometry in school and often wondering where they would ever use it in real life. For most, the formulas stayed limited to textbooks and exams, with little ...