Retaining the successful previous editions' programmed instructional format, this book improves and updates an authoritative textbook to keep pace with compounding trends and calculations - addressing real-world calculations pharmacists perform and allowing students to learn at their own pace through examples. * Connects well with the current emphasis on self-paced and active learning in pharmacy schools * Adds a new chapter dedicated to practical calculations used in contemporary compounding, new appendices, and solutions and answers for all problems * Maintains value for teaching pharmacy students the principles while also serving as a reference for review by students in preparation for licensure exams * Rearranges chapters and rewrites topics of the previous edition, making its content ideal to be used as the primary textbook in a typical dosage calculations course for any health care professional * Reviews of the prior edition: "...a well-structured approach to the topic..." (Drug Development and Industrial Pharmacy) and "...a perfectly organized manual that serves as a expert guide..." (Electric Review)