Classroom tested and reviewed, the third Canadian edition of Dosage Calculations draws upon the strengths of two marketing leading Canadian editions and nine US editions that have together helped over 1 million faculty and students allay math anxiety and promote confidence in their ability to perform accurate calculations. The new edition also responds to changes in the healthcare system by introducing new drugs, replacing outdated drugs, and discussing new or refined ways of administering medications.This text is directed at the student or professional who feels uncomfortable with mathematics and wants to improve their ability to perform accurate drug dosage calculations. As a pioneer Canadian text in the topic of medication calculations, the authors have transcended provincial practices to provide a nation-wide perspective on dosage calculations. The text teaches the "Three-Step Approach" for calculating dosages: 1. Convert measurements to the same unit; 2. Consider what dosage is reasonable; and 3. Calculate using the formula method.