Learn how to make accurate drug calculations and administer medications safely! Calculate with Confidence, 8th Edition makes it easy to understand the three major methods of dosage calculation - ratio and proportion, formula method, and dimensional analysis. Clear, step-by-step instructions guide you through accurate calculation and safe administration of drug dosages. Thousands of practice problems ensure that you gain proficiency, QSEN principles prioritize client safety, and an emphasis on clinical reasoning helps you prevent medication errors. New Next Generation NCLEX (R) (NGN) case...