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| <div style="background-color:#ffcccc; border:blue solid 2px; padding:5px; width:35%; float:right; margin:5px">''Any additions to the indexed snippets below should use the same format. A suggested model is provided in this [[SnippetTemplate|snippet template]].''</div>
| | [[Problem Techniques]] |
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| == Index of Problem Coding Techniques ==
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| <div style="background-color:#eeeeee; border:black solid 1px; padding:3px">''This index links to problem code snippets that quickly show how to accomplish each effect. Each has limited explanation that assumes a basic understanding of how PG files are written. If you want more details, please see the MathObjects documentation, POD documentation, PG macro files, and PG library files.
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| <ul>
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| <li>[http://webwork.maa.org/wiki/Category:MathObjects MathObjects documentation] Written by Davide Cervone</li>
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| <li>[http://webwork.maa.org/pod/pg_TRUNK/ POD documentation] (POD - Plain Old Documentation)</li>
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| <li>[http://webwork.maa.org/viewvc/system/trunk/pg/macros/ PG macro files] Source code for pg/macros files.</li>
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| <li>[http://webwork.maa.org/viewvc/system/trunk/pg/lib/ PG library files] Source code for pg/lib files.</li>
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| </ul>
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| ''</div>
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| <div style="text-align:center;font-size:smaller;">
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| [[Author%27s_Guide|up to Author's Guide]]
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| </div>
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| === Topics A-B ===
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| * [[NumericalTolerance|Accuracy Required for Numerical Answers]]
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| * [[AdaptiveParameters|Adaptive Parameters in Answers]]
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| * [[AddingFunctions|Adding New Functions to the Context]]
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| * [[DynamicImages2|Adding Labels, Lines and Points to Dynamic Graphs]]
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| * [[AlgebraicFractions|Algebraic Fractions in Student Answers]]
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| * [[AlignedChoice|Aligned Answer Blanks]]
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| * [[StringsInContext|Allowing Strings (Text) in Student Answers]]
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| * [[AnswerInExponent|Answer Blank in the Exponent]]
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| * [[AnswerFormatHelp|Answer Format Help]]
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| * [[AnswerHints|Answer Hints]]
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| * [[AnswerIsSolutionToEquation|Answer is a Solution to an Equation]]
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| * [[AnyAnswerMarkedCorrect|Any Answer Marked Correct]]
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| * [[FormulasToConstants|Antiderivatives and Indefinite Integrals]]
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| * [[FlashPointAndGraph|Applet Example: Flash]]
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| * [[GeoGebraApplets|Applet Example: GeoGebra]]
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| * [[Sage_Embedding|Applet Example: Embedding Sage]]
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| * [[DynamicImages2|Arrows in Dynamic Graphs]]
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| [[#top|top of page]]
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| === Topics C-D ===
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| * [[CommentsForInstructors|Comments (for Instructors) Visible in the Problem Library]]
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| * [[ComposingFunctions|Composition of Functions as Correct Answer]]
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| * [[ConstantsInProblems|Constants in Problems]]
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| * [[FormulasToConstants|Constant Differences (Additive) Between Student and Correct Answers]]
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| * [[AdaptiveParameters|Constant Differences Between Student and Correct Answers]]
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| * [[CustomAnswerCheckers|Custom Answer Checkers]]
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| * [[ErrorMessageCustomization|Custom Error Messages]]
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| * [[DifferenceQuotients|Difference Quotients as Correct Answers]]
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| * [[DifferentiatingFormulas|Differentiating Formulas]]
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| * [[DisableFunctions|Disabling Functions and Operators in Student Answers]]
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| * [[FormulaTestPoints|Domain of Function Evaluation]]
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| [[#top|top of page]]
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| === Topics E-F ===
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| * [[EquationEvaluators|Equation Answer Evaluation (Implicit)]]
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| * [[EquationsDefiningFunctions|Equations Defining Functions (Not Implicit)]]
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| * [[ eval()vs.substitute() | <code>eval()</code> Versus <code>substitute()</code> ]]
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| * [[ErrorMessageCustomization|Error Message Customization]]
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| * [[ExtractingCoordinatesFromPoint|Extracting Coordinates of a Point]]
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| * [[ExtractingCoordinatesFromPoint|Finding the norm of a Vector]]
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| * [[FactoringAndExpanding|Factoring and Expanding Polynomials]]
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| * [[FlashApplets|Flash Applets]]
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| * [[FlashPointAndGraph|Flash Applet Point and Graph Example]]
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| * [[FormattingCorrectAnswers: NumbersAndFormulas |Formatting Correct Answers: Numbers and Formulas]]
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| * [[FormattingCorrectAnswers: Equations |Formatting Correct Answers: Equations]]
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| * [[FormattingDecimals|Formatting: Decimals]]
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| * [[FormulaTestPoints|Formula Answer Evaluation; Limits for Evaluation]]
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| * [[FormulaTestPoints|Formula Answer Evaluation; Test Points]]
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| * [[ProblemsWithUnits|Formulas with Units, as Answers]]
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| * [[VariablesOtherThanX|Formulas with Variables Other than x]]
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| * [[AddingFunctions|Functions Added to the Context]]
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| * [[FormulasToConstants|Function Answers Up To Additive Constants]]
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| * [[ComposingFunctions|Function Composition as Correct Answer]]
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| [[#top|top of page]]
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| === Topics G-H ===
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| * [[DynamicImages|Graphic Images, Dynamically Generated]]
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| * [[DynamicImages2|Graphic Images, Dynamic, with Labels, Lines and Points]]
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| * [[DynamicImages3|Graphic Images, Dynamic, with Filled Regions]]
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| * [[ParametricPlots|Graphic Images, with Parametric Functions]]
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| * [[GraphsInTables|Graphic Images, Put Into Tables]]
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| * [[StaticImages|Graphic Images, Static]]
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| * [[ContourPlots|Graphing in 2D with Contour Plots]]
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| * [[ContourPlot1|Graphing in 2D with Contour Plots that Have a Color Gradient]]
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| * [[VectorFields|Graphing in 2D with Slope Fields]]
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| * [[VectorFields2D|Graphing in 2D with Vector Fields]]
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| * [[3DGraphsInCylindrical|Graphing in 3D with Cylindrical Coordinates]]
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| * [[3DGraphsInRectangular|Graphing in 3D with Rectangular Coordinates]]
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| * [[3DGraphsParametricCurves|Graphing in 3D with Parametric Curves]]
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| * [[3DGraphsParametricSurfaces|Graphing in 3D with Parametric Surfaces (e.g., Spherical Coordinates)]]
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| * [[3DGraphsVectorFields|Graphing in 3D with Vector Fields]]
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| * [[HtmlLinks|HTML Links in Problems]]
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| [[#top|top of page]]
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| === Topics I-J ===
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| * [[IntervalEvaluators|Intervals as Answers]]
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| * [[InequalityEvaluators|Inequalities as Answers]]
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| * [[JavaScript|JavaScript]]
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| [[#top|top of page]]
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| === Topics K-L ===
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| * [[DynamicImages2|Labels on Dynamically Generated Graphs]]
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| * [[FormulaTestPoints|Limits over which Formulas are Evaluated]]
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| * [[DynamicImages2|Lines in Dynamically Generated Graphs]]
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| * [[MultiPartProblems|Linked Answer Blanks]]
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| * [[LinkingProblems|Linking Successive Problems]]
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| * [[HtmlLinks|Links to Other Web Pages]]
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| * [[ListAnswers|Lists as Answers]]
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| * [[FormattingDecimals|Logarithms]]
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| [[#top|top of page]]
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| === Topics M-N ===
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| * [[MatchingProblems|Matching Problems]]
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| * [[MatchingStaticGraphs|Matching Problems That Have Static Graphic Images]]
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| * [[MatchingDynamicGraphs|Matching Problems That Have Dynamic Graphic Images]]
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| * [[MultipleChoiceProblems|Multiple Choice Problems]]
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| * [[GraphsInTables|Multiple Choice Problems with Graphic Images (see example 1)]]
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| * [[MultipleSelectProblems|Multiple Select Problems (Select All That Apply or Checkbox Multiple Choice)]]
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| * [[MultiAnswerProblems|MultiAnswer, Self Referential Problems]]
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| * [[SequentialProblemsStub|Multi-Part, Sequential Problems]]
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| * [[ConstantsInProblems|Named (Numerical) Constants in Problems]]
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| * [[ProblemsWithUnits|Numbers with Units, as Answers]]
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| * [[NumericalTolerance|Numerical Answer Evaluation Tolerance]]
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| * [[ConstantsInProblems|Numerical Constants in Problems]]
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| * [[NumericalTolerance|Numerical Tolerance in Problems]]
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| [[#top|top of page]]
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| === Topics O-P ===
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| * [[AdaptiveParameters|Parameters (Adaptive) in Answers]]
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| * [[ParametricEquationAnswers|Parametric Equations as Answers]]
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| * [[ParametricLineAnswers|Parametric Lines as Answers]]
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| * [[PeriodicAnswers|Periodic Answers]]
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| * [[ImplicitPlane|Planes or Lines Defined Implicitly]]
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| * [[ParametricPlots|Plotting Parametric Equations]]
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| * [[DynamicImages2|Plotting Lines and Points on Dynamically Generated Graphs]]
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| * [[DynamicImages2|Points in Dynamically Generated Graphs]]
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| * [[PointsInAnswers|Points in Student Answers]]
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| * [[PopUpLists|Pop-up Lists]]
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| * [[PopUpListsLong|Pop-up Lists For Many Questions With Common Answers]]
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| [[#top|top of page]]
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| === Topics Q-R ===
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| * [[RecursivelyDefinedFunctions|Recursively Defined Functions]]
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| * [[DisableFunctions|Restricting Allowed Functions in Student Answers]]
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| * [[DisableFunctions|Restricting Allowed Operators in Student Answers]]
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| * [[RestrictedStudentAnswers|Restricting Student Answer Formats]]
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| [[#top|top of page]]
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| === Topics S-T ===
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| * [[VectorFields|Slope Field Graphs]]
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| * [[PopUpLists|Solutions for Students]]
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| * [[StaticImages|Static Graphic Images]]
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| * [[StepFunctions|Step Functions in Answers]]
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| * [[StringsInContext|Strings in Student Answers]]
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| * [[Tables|Tables in Problem Text]]
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| * [[GraphsInTables|Tables of Graphs]]
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| * [[FormulaTestPoints|Test Points for Formula Evaluation]]
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| * [[StringsInContext|Text in Student Answers]]
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| * [[TextbookSpecificMessages|Textbook Specific Messages]]
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| * [[NumericalTolerance|Tolerance in Numerical Answers]]
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| * [[TrigFunctionsInDegrees|Trig Functions in Degrees]]
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| [[#top|top of page]]
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| === Topics U-Z ===
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| * [[ProblemsWithUnits|Units in Problem Answers]]
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| * [[VariablesOtherThanX|Variables Other Than x in Formulas]]
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| * [[Vectors|Vectors in Problems]]
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| * [[VectorParametricLines|Vector Parametric Lines as Answers]]
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| * [[VectorValuedFunctions|Vector Valued Functions as Answers]]
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| * [[VectorFields|Vector Field Graphs]]
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| * [[WeightedGrader|Weighted Answer Graders]]
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| [[#top|top of page]]
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| [[Category:Top]]
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| [[Category:Authors]]
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