# Easy Mathematics for Biologists

CRC Press, Jan 18, 1999 - Mathematics - 106 pages
Because elementary mathematics is vital to be able to properly design biological experiments and interpret their results. As a student of the life sciences you will only make your life harder by ignoring mathematics entirely. Equally, you do not want to spend your time struggling with complex mathematics that you will never use. This book is the perfect answer to your problems. Inside, it explains the necessary mathematics in easy-to-follow steps, introducing the basics and showing you how to apply these to biological situations.
Easy Mathematics for Biologists covers the basic mathematical ideas of fractions, decimals and percentages, through ratio and proportion, exponents and logarithms, to straight line graphs, graphs that are not straight lines, and their transformation. Direct application of each of these leads to a clear understanding of biological calculations such as those involving concentrations and dilutions, changing units, pH, and linear and non-linear rates of reaction. Each chapter contains worked examples, and is followed by numerous problems, both pure and applied, that can be worked through in your own time. Answers to these can be found at the back.

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### Contents

 1 INTRODUCTION 1 FRACTIONS DECIMALS AND PERCENTAGES 3 22 FRACTIONS 4 23 DECIMALS 6 24 PERCENTAGES 8 25 PROBLEMS 10 AMOUNTS VOLUMES AND CONCENTRATIONS 13 32 MOLARITY 16
 52 EVALUATING EXPRESSIONS 43 53 PROBLEMS 45 6 LOGARITHMS 49 62 MANIPULATING LOGS 51 63 PROBLEMS 56 CALIBRATION CURVES AND LINEAR RATES OF CHANGE 59 72 EQUATIONS OF STRAIGHT LINES 62 73 EQUATIONS OF STRAIGHT LINES AND STRAIGHTLINE GRAPHS IN PRACTICE 66

 33 DILUTIONS 18 34 CONCENTRATION VOLUME AND AMOUNT 20 35 CONCENTRATIONS AND DILUTIONS IN PRACTICE 23 36 PROBLEMS 25 SCIENTIFIC NOTATION CONVERSION OF UNITS AND MORE ON CONCENTRATIONS 29 CHANGING THE UNITS 33 44 PROBLEMS 35 5 SOLVING EQUATIONS AND EVALUATING EXPRESSIONS 39
 74 PROBLEMS 69 GRAPHS TRANSFORMATIONS AND RATES 73 82 RATES OF CHANGE 79 83 PROBLEMS 84 ANSWERS TO PROBLEMS 87 INDEX 105 Copyright