Presents an introduction to geometry, providing information on the basic concepts of geometry, including practice exercises for every topic, tips for solving difficult problems, new methods and curriculum approaches, and study questions.
An introduction to calculus and trigonometry that uses easy-to-follow explanations, real-life examples, and practice questions to explain the fundamental theories, concepts, and applications.
An introductory, interactive guide to algebra that presents many example problems to work, covering integers and first-degree equations, SAT-style questions, fractions, quadratic equations, the binomial theorem, and other topics.
This guide for the backyard astronomer provides basic information, offers activity ideas, and gives construction details and assembly drawings for six telescopes.
