Michael Sullivan

Michael Sullivan is a mathematics textbook author associated with widely used algebra, trigonometry, and precalculus materials. Precalculus, College Algebra, Algebra and Trigonometry, Precalculus Enhanced with Graphing Utilities, College Algebra Enhanced with Graphing Utilities, and Trigonometry A Unit Circle Approach show his focus on structured explanations, practice, functions, graphs, and problem-solving skills. His books are designed for classroom learning and independent study.

For English-language readers, Michael Sullivan is relevant less as a literary author than as an educational writer. Students and instructors use his work to build mathematical fluency step by step, especially in courses preparing for calculus, applied problem solving, and graph-based reasoning.