Amazon.com description: Product Description: CALCULATE WITH CONFIDENCE offers a clear consistent format with a step-by-step approach to the calculation and administration of drug dosages for easy comprehension. The new 3rd edition includes ratio and proportion, formula and dimensional analysis, the most common methods used in clinical practice. A full-color presentation of over 200 drug labels, syringes, and other illustrations help students simulate clinical reality. Chapter objectives, chapter practice problems and reviews, Points to Remember boxes, Critical Thinking to Avoid Drug Calculation Errors boxes, new marginal notes, a user-friendly answer key, and an extensive math review are all provided on convenient, perforated, 3-hole punched pages. The 3rd Edition, features two new chapters, Additional Conversions Useful in Health Care Settings and Dimensional Analysis; and includes a FREE interactive companion, Daugherty and Roman's Dosages and Solutions CD. This useful CD provides additional practice problems for the ration and proportion, formula, fractional equation and dimensional analysis calculations methods.