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In this episode of TechPrep: Rapid PTCB Review, we review basic pharmacy calculations with a focused, exam-relevant approach tailored to pharmacy technician practice and the PTCB exam. This episode builds the mathematical foundation needed for pharmacy calculations, covering measurement systems, unit conversions, Roman numerals, fractions, decimals, ratios, and proportions.
Accurate calculations are essential for prescription processing, medication dosing, dispensing quantities, and pharmacy operations. You'll learn how to convert between common units of measurement, calculate medication quantities and days' supply, interpret military time, and solve temperature, body surface area, and business calculation problems. The episode also emphasizes dimensional analysis and writing out calculations to help reduce errors and prepare for more advanced pharmacy calculations.
What You'll Learn-
Roman numeral rules and their application to handwritten prescriptions
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Common pharmacy measurement systems and conversions, including metric units, pounds to kilograms, tablespoons to milliliters, and drops to milliliters
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How to work with fractions, decimals, ratios, and proportions in pharmacy calculations
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How to calculate medication quantities, days' supply, temperature conversions, body surface area doses, and military time
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Basic business calculations, including invoice discounts, product markups, and selling prices
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Understanding common conversion factors is essential for accurate medication calculations and prescription processing.
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Dimensional analysis helps organize calculations, cancel units, and verify that the answer matches the question.
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Always use a leading zero for decimal doses less than one to help prevent medication errors.
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Practicing foundational calculations prepares pharmacy technicians for more advanced calculations and supports accuracy in pharmacy practice.
Want to master pharmacy calculations and prepare for the PTCB exam? Thousands of pharmacy technician students trust TechPrep for clear explanations, exam-focused review, and real-world relevance.
👉 Start learning today at PharmTechReview.com
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