This book provides a complete review of the basic mathematic concepts and skills, which offer a foundation for more advanced understanding of pharmacy-related topics. The guide provides students with the pharmacy basics necessary for correctly interpreting prescriptions and drug orders, and performing dosing calculations that technicians face every day. Pharmacy Calculations: An Introduction for Pharmacy Technicians, is designed for pharmacy technician students enrolled in a training program, technicians preparing for the certification exam, and for on-site training. As the role for pharmacy technicians continues to evolve and expand one thing remains constant. The safety of patients is the highest priority for anyone working in pharmacy, whether in hospital, retail, or institutional practices. With a thorough understanding of pharmacy math comes accuracy in computations and safety and quality in practice.