Completely revised and updated to include the latest practices and medication, the Eighth Edition maintains its user-friendly structure and offers readers a comprehensive yet accessible drug calculation book and workbook. Using the dimensional analysis format, this invaluable resource begins with simple arithmetic and progresses to the most complex drug calculation problem, enabling readers to develop the mathematical skills required for medical dosage calculations. With a host of case studies, self-tests, practice problem sets, and a new Companion Website, this book provides readers with both the skills and understanding necessary to master this crucial area of the medical field. For professionals with a career in nursing, pharmacology, or medicine.