Calculus with Analytic Geometry 4th Edition by Howard Anton is well-regarded for its clear explanations and comprehensive coverage of calculus concepts. Users appreciate the integration of analytic geometry, which enhances understanding of the material. The book includes numerous examples and exercises that cater to various learning styles. Many find it suitable for both self-study and classroom use, making it a popular choice among students and educators. Overall, it is considered a valuable resource for mastering calculus.