Engineering with Mathcad Using Mathcad to Create and Organize your Engineering Calculations

521 Pages·2006·4.49 MB·English

by  Brent Maxfield

Engineering With Mathcad
Using Mathcad to Create and Organize
Your Engineering Calculations

Engineering With
Mathcad
Using Mathcad to Create and Organize
Your Engineering Calculations
Brent Maxfield
AMSTERDAM • BOSTON • HEIDELBERG • LONDON • NEWYORK • OXFORD
PARIS • SANDIEGO • SANFRANCISCO • SINGAPORE • SYDNEY • TOKYO
Butterworth-HeinemannisanimprintofElsevier
Butterworth-HeinemannisanimprintofElsevier
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Firstpublished2006
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Acknowledgment
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v

Contents
Acknowledgment v
Preface xix
Introduction xxi
Part I Building your Mathcad Toolbox 1
1 Variables 3
Variables 3
Typesofvariables 3
Definingvariables 4
Rulesfornamingvariables 4
Caseandfont 4
Charactersthatcanbeusedinvariablenames 4
Subscripts 5
Specialtextmode 6
Chemistrynotation 7
Stringvariables 8
Whyusevariables 8
Guidelinesfornamingvariables 10
Summary 13
Practice 13
2 CreatingandeditingMathcadexpressions 15
Introduction 16
Regions 16
Definitionofregion 16
Usingtheworksheetruler 16
Tabs 17
vii
viii Contents
Selectingandmovingregions 17
Aligningregionsandalignmentguidelines 17
Mathregions 20
Textregions 20
Creatingtextregions 20
Changingfontcharacteristics 20
InsertingGreeksymbols 21
Endingatextregion 21
Controllingthewidthofatextregion 21
Movingregionsbelowthetextregion 21
Paragraphproperties 22
Textruler 24
Spellcheck 25
Creatingsimplemathexpressions 25
Creatingmorecomplexexpressions 26
Editingexpressions 29
Selectingcharacters 29
Deletingcharacters 30
Deletingandreplacingoperators 30
Wrappingequations 30
Findandreplace 31
Find 31
Replace 33
Insertinganddeletinglines 34
Summary 35
Practice 35
3 Simplefunctions 37
Built-infunctions 38
User-definedfunctions 41
Whyuseuser-definedfunctions? 42
Usingmultiplearguments 43
Variablesinuser-definedfunctions 43
Examplesofuser-definedfunctions 46
Warnings 47
Summary 49
Practice 50
4 Units! 51
Introduction 51
Definitions 52
Changingthedefaultunitsystem 53
Assigningunitstonumbers 54
Contents ix
Displayingderivedunits 59
Customdefaultunitsystem 61
Unitsofforceandunitsofmass 62
Creatingcustomunits 63
Unitsinequations 65
Donotredefinebuilt-inunits 65
Unitsinuser-definedfunctions 67
Unitsinempiricalformulas 68
SIUnitsOf() 71
Customscalingunits 73
Fahrenheitandcelsius 73
Changeintemperature 74
Degreesminutesseconds(DMS) 77
Hoursminutesseconds(hhmmss) 78
Feetinchfraction(FIF) 78
Creatingyourowncustomscalingfunction 79
Dimensionlessunits 80
Limitationofunits 81
Summary 82
Practice 83
5 Mathcadsettings 85
Preferencesdialogbox 86
Generaltab 86
FileLocationstab 87
HTMLOptionstab 89
Warningstab 91
Scriptsecuritytab 93
Language 95
Savetab 95
SummaryofthePreferencetab 96
WorksheetOptionsdialogbox 96
Built-invariablestab 96
Calculationtab 98
Displaytab 100
Unitsystemtab 101
Dimensionstab 101
Compatibilitytab 101
ResultFormatdialogbox 102
NumberFormattab 102
DisplayOptionstab 105
UnitDisplaytab 106