New and revised problems and exercise sets throughout.

Portions of the text and examples have been revised or rewritten to clarify or expand upon the topics at hand.

Each chapter opens with an overview of the material to be covered in the chapter.  End-of-chapter materials include Computer Lab Assignments and a Chapter Review Quiz.  Numerous Exercises are included at the end of each section.

Remarks conclude most sections and discuss the relationships and differences between important concepts.

Proof Problems offer an additional learning experience for students, who are supported through each step of the process by hints and guides.