Math Connections in the Digital Age: Precalculus covers the prerequisite topics of calculus. It provides an intuitive learning approach that promotes easier understanding of the lessons. It has easy-to-follow lessons and step-by-step solutions for examples. It strengthens the math literacy of students through its problem-based approach. With this textbook, learners will be equipped with the essential tools needed to understand and solve problems preparatory to calculus. Learning competencies in the book comply with the K to 12 curriculum for senior high school. It focuses on teaching the students how to apply concepts and solve problems involving conic sections, systems of linear equations, series and mathematical induction, circular and trigonometric functions, trigonometric identities, and polar coordinate system.