Munros Mathematics for Deck Officers By Earl & Ward.
This text gives a grounding in elementary mathematics, including algebra, geometry and trigonometry. It covers the mathematics syllabus for Class 3 (Deck) Certificate of Competency and also includes spherical trigonometry, graphs and an introduction to calculus. S.I. Units are used throughout and a feature of the book is the large number of exercises to enable the student to become familiar with the principles involved.