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Introduction to Pharmaceutical Calculations Fourth Edition

Introduction to Pharmaceutical Calculations Fourth Edition

Edited by Judith A Rees, Ian Smith and Jennie Watson



A comprehensive guide to successfully performing pharmaceutical calculations.

Published1st Apr, 2015
Dimensions234 x 156 mm
Page count288


In its fourth edition, this popular textbook covers everything students need to know to pass the pharmacy calculation exams.

Every chapter contains learning objectives, worked examples and sample questions and has been fully updated. New features include:

  • Introduction (including expert tips for approaching calculations)
  • Doses in children
  • 8 short videos (to help you grasp some of the key concepts) covering:
  • Simple dilution
  • Proportional sets
  • Conversion of units
  • Representations of concentrations
  • Mixing two concentrations without a final volume
  • Displacement values
  • Parenteral doses
  • Moles
  • More images and diagrams

We recommend it is used alongside the companion Pharmaceutical Calculations Workbook to practice and perfect your calculation skills.

Videos demonstrating calculations concepts can be viewed with the password from the book.


  • Introduction
  • Rational numbers
  • Systems of units
  • Concentrations
  • Dilutions
  • Formulations
  • Calculation of doses
  • Doses in children
  • Density, displacement volumes and displacement values
  • Calculations involving molecular weights
  • Parenteral solutions and isotonicity
  • Accuracy of measurement
  • Calculations involving information retrieval
  • Appendix 1: Metric prefixes
  • Appendix 2: Conversion factors
  • Appendix 3: Multiplication and division
  • Appendix 4: Atomic weights of the elements
  • Appendix 5: Body surface area in children


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