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This guide contains information about authoring WeBWorK problems.
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* If you're just starting out, see the [[Problem Authoring Background Information]] and [[:Category:Sample Problems|sample problems]] first.
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* If you're working on a problem in a specific area you may find the more advanced templates useful.
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* If you're working on a problem and want to find out how to do one particular thing the index of problem techniques may be useful.
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* Use the online calculators to try things out.
   
==Templates==
 
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== Manuals and HOWTOs ==
Most people write problems starting from templates. Problems from the OPL can be modified to suit individual needs, or existing problem templates can be used to create new problems.
 
* '''[[Problem Techniques]]''' This page lists templates for WeBWorK problems in alphabetical order. This collection of templates can also be accessed through the associated category page: [[:Category:Problem Techniques]]
 
* '''[[:Category:Subject Area Templates|Subject Area Templates]]''' Some may find it useful to use this page where templates are ordered by subject area.
 
* '''[[:Category:Sample_Problems|Sample_Problems]]''' A third page with a collection of templates is this page of sample problems.
 
   
==Basic Information==
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* [[Problem Authoring Background Information]]
WeBWorK problems should be written with the use of MathObjects. Most of the templates mentioned above will include the MathObject Macros (recognizable by the line "MathObjects.pl" in the LoadMacros section of the code). For those who would like to read up on the basics of coding problems the following pages are recommended:
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* [[Tagging Problems]] with metadata for indexing and searching.
* '''[[Problem Authoring Background Information]]''' -- includes a PG language overview, some comments about editing problems and ensuring server access.
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* [[Problem Authoring Best Practices]] for problem authoring.
* '''[[:Category:MathObjects|MathObjects]]''' -- information on authoring problems using MathObjects.
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* [[:Category:MathObjects|MathObjects]], an object system for manipulating mathematics in WeBWorK problems.
** '''[[MathObjects reference table]]''' -- a quick reference.
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* [[PGLabs]], online calculators for immediate display of MathObjects and PG markup language (PGML) These are very helpful for learning the syntax.
** '''[[Introduction to Contexts]]''' -- how to use Numeric, Complex, Vector, Matrix, Interval, and other contexts in problems.
 
** '''[[Reduction rules for MathObject Formulas]]''' -- a table of ''The Reduction Rules and their Actions''.
 
** '''[https://testcourses.webwork.maa.org/webwork2/PREP14_Problem_Authoring/Workshop2/?login_practice_user=true Davide Cervone's presentation on MathObjects to PREP, June, 2014]'''
 
* '''[[:Category:PGML|PGML]]''' -- information on authoring problem using the PGML markup language.
 
** '''[[SampleProblem4 |Template 4]]''' -- the standard outline of a problem using PGML, which includes a ''tagging and description section'', ''an initialization section'', ''a problem set-up section'', ''a text section'', and optional ''answer and solution sections''.
 
** '''[https://testcourses.webwork.maa.org/webwork2/PREP14_Problem_Authoring/Workshop3-PGML/?login_practice_user=true Davide Cervone's presentation on PGML to PREP, June, 2014]'''
 
* '''[[PGLabs|PG-Labs]]''' -- try out code fragments on line including code fragments containing MathObjects and PGML. This is a quick way to learn the fine points of the MathObject and PGML syntax.
 
   
==Templates, programming examples, and problem libraries from the University of Lethbridge==
 
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== Sample Problems ==
   
Sean Fitzpatrick (sean.fitzpatrick@uleth.ca) contributed the following:
 
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* [[:Category:Sample Problems|Index of Sample Problems]]
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** [[SampleProblem1|Template 1]] (the basic structure of a WeBWorK PG problem file)
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** [[old-style example template|SampleProblem1a]] (old-style, non-MathObjects example)
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** [[SampleProblem2|Template 2]] (formulas, multiple choice, and string entry problems)
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** [[SampleProblem3|Template 3]] (dynamically generated graphs)
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* More Advanced Sample Problems
   
This summer, one of my colleagues hired a student to help her go through all of the libraries, marcos, contexts, etc. and put together a collection
 
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== Reference Documents ==
of templates and programming examples. I got permission from her to put everything on a public GitHub repository; you can find the fruits of their
 
efforts here:
 
   
https://github.com/ULeth-Math-CS/WeBWorK
 
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* [http://webwork.maa.org/doc/cvs/ PG macro/library documentation from CVS]
 
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* [[:Category:ProblemTechniques|Index of Problem Techniques]]
The programming examples are not questions. They're an attempt at producing an exhaustive list of every possible way of inputting and evaluating
 
something using the various contexts.
 
In the documentation there's a nice flowchart for deciding which context to use for a given problem.
 
 
I hope this is useful. It's the beginnings of what will hopefully be a longer project (done mostly over summers), so it's not yet as polished as it
 
could be.
 
 
== Reference documents and manuals ==
 
* '''[[Problem Authoring Videos]]''', recordings from the PREP 2015 Problem Authoring Workshop.
 
* [[:Category:Applets|'''Applets''']], how to embed Flash and Java applets into WeBWorK questions.
 
* '''[[SequentialProblems]]''' now replaced by [[Scaffold]] revealing the problem one step at a time
 
* '''[https://webwork.maa.org/pod/ POD]''' -- POD (for WeBWorK/PG 2.15) = "plain old documentation" -- original documentation embedded in the code files -- this is the place to find the most complete and most technical description of macro behaviors.
 
* '''[[:File:WeBWorK_Problem_Authoring_Tutorial.pdf| WeBWorK Problem Authoring Tutorial]]''' aimed at people who already know TeX, but need to learn about Perl, PG, and MathObjects (pdf file).
 
* '''[[Customize_Course|Customize Course]]''' This page includes a bit of code that allows student to obtain a new version of a problem.
 
* '''[[TrainingAuthors |Notes on training authors]]''', and suggestions for further documentation-- Sam Hathaway
 
* The Good Questions project at Cornell University [http://www.math.cornell.edu/~GoodQuestions/]
 
* '''[[Converting CAPA problems for use with WeBWorK]]''' (This article has been retained as a historical document.)
 

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