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R.RobertGajewski©2014
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andwrittenbyAllenRazdow(ofMIT,co-founderofMathsoft),Mathcadisnow
ownedbyPTCandisgenerallyacceptedasthefirstcomputerapplicationtoautomat-
icallycomputeandcheckconsistencyofengineeringunitssuchastheInternational
SystemofUnits(SI),throughouttheentiresetofcalculations.Mathcadtodayincludes
someofthecapabilitiesofacomputeralgebrasystem,butremainsorientedtowards
easeofuseandsimultaneousdocumentationofnumericalengineeringapplications.
ThisbookismainlybasedonexcellentPrimehelp.WheneverStudentscomplainthat
theyhavenomaterialsandresourcestolearnthereisalwaysonecrucialquestion
whichshouldbeaddressedtothem.Haveyoulookedintohelp?Oneofthedrawbacks
ofhelpfilesistheirusuallyenormoussize.ButnobodywantsStudentstoreadhelp
fromfirsttothelastline!PrimeHelpCentercontentisdividedinto13parts.
Allofthemwillbediscussedinthisbook.EspeciallyimportantforStudentsshould
bethreetutorials:gettingstarted,solvingandprogramming.Programmingisillus-
tratedbymanyexamples.
1.1DifferencesbetweenPrimeandExpress
PTC®MathCADPrime®3i0canbeusedintwoversions:PrimeandExpress.Ac-
cordingtoinformationgivenbyPTC11ExpressisafreeversionofMathCADthatal-
lowsanyusertoutilizesomeselectedfeaturesofPrime,foranunlimitedtime.Ex-
pressdoesincludethefullcapabilitiesofPrimefor30days,forfree.Afterthe30
daysperiodhasended,youmaycontinuetousethelimitedfunctionalityofExpress
11http://communities.ptc.com/thread/39935
