Though much of pharmacy technician math is based on simple arithmetic and proportions, other more complex math using algebra and dimensional analysis will be needed to solve certain dosing calculations.
The vast majority of pharmacy technician math calculations involve converting from one system of measurement to another. This can then be coupled with determining how long a drug supply will last or other dosing calculations. The metric system is a more precise measurement; therefore, a pharmacy technician must often be able to easily convert dosages from the household measuring system to the metric system. Many technician manuals and textbooks have tables with the most common conversions for reference.
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Pharmacy Technician Math Review will help you understand and memorize the formulas you need in order to pass the exam.
**These Tutorials are only for the purpose of studying for the PTCB Exams. If you are in a professional setting, or for compounding actual solutions, check with your supervising pharmacist.