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Fixed tags.

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Duplicate problems.

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Fixing bad commit related to duplicate problems.

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Merging duplicate files.

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Fixing tags

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Fixed duplicate.

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Fixed bug 2436, answer was inverted.

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Pulling changes from git repository.

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Fixing this in svn now.

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Fixed typo in image file name.

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fixed faulty design in answer checker

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changed "or" to "of" to fix typo.

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fix errors in questions that arise when testing with clients/checkProblem.pl script

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Hi again. Also disallow <-1,-1> in part c.

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Modified custom answer checker for part (c) to disallow the incorrect answers <0,0> and <1,1> from being marked correct.

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added allowBlankAnswers=>1 to the multians answer checkers.

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Discovered a bug when using UNORDERED_ANS() and ANS() in the same problem, but did not fix the bug. Instead, I made these problems work by using ANS( $multians->cmp() ) and ANS().

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Fixed so that roots are now guaranteed to be distinct.

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Made answer checker more reliable by changing the domain of evaluation in part a and rearranging the terms of the diff eq in the answer checker for part c.

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fixed typo in answer (replaced k by y)

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added instructions to student to provide more clarity

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updated

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new problem

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new problems

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commented out ProblemRandomize that was used for testing

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new problems

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new problem

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new problem

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fixed sign error

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removing non-functioning or buggy problems that have been replaced by versions that work

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updates and fixes

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updates and fixes

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updates and fixes

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new problems

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updates, fixes, and a new problem

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new problem

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updates and fixes

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new problem

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new problems

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updates and fixes

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new Riemann sum problem

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exponential equation changed to logarithmic expression

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Fixed \( \( error

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new problems

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new problems

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new problems

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new problem

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new problems

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Some new problems.

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Changed vector field formulas to compensate for the fact that WebWork's VectorField draws arrows by using a line segment with a dot at the tail end (instead of the tip).

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minor updates

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minor update

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minor updates

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Fixed ImplicitEquation errors by increasing domain of variables.

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Bug fix

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Many updates and revisions

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Minor updates

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Significant improvements and some new problems

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New problems

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Significant improvements and some new problems

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Significant improvements and a few new problems

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Significant improvements and some new problems

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Significant improvements

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Significant improvements

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Updates and revisions

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Deleting unfinished work

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Significant improvements to answer checkers

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Significant improvements to answer checkers

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Significant improvements to answer checkers

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Significant improvements to answer checkers

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Revisions and updates

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Revisions and updates

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Revisions and updates

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Revisions, updates, and a few new problems

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Revisions and updates

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Revisions and updates

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Major revisions and updates

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add new folder

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deleting empty folder

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deleted here and moved elsewhere

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Disambiguation

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New Differential Equations problems

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Update

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Upgrade

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Minor update

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MultiAnswer answer checker now uses typeMatch for better answer checking and fewer misleading error messages.

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New differential equations problems

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Some new differential equations problems.

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Fixing that I uploaded the wrong version last time.

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Uses TeX mode where appropriate

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Uses TeX mode where appropriate

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Uses TeX mode where appropriate

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Added a sentence explaining the diagram.

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Uses TeX mode where appropriate

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Problems now use TeX mode where appropriate

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New differential equations questions

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New differential equations questions

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New differential equations questions

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New differential equations questions

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New differential equations questions

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New differential equations questions

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Added answer format help

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Now uses global settings to find geogebra applet

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Fixed bug 2181.

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Bugfix for unnecessary use of \begin{array} \end{array}

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Changed \( $LBRACE $RBRACE \) to \( \lbrace \rbrace \) since they were already in math mode \( \)

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Variation on problem with same base file name.

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Added clarification in main text

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Added a custom error message to deal with students who enter a 3D vector instead of a 2D vector.

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Fixed bug 2094.

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fixed typo in text (replaced differences by ratios in one place)

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Updated

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Updated

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New

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Updated

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New

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New

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New

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New

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Update

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Updated to use inequalities and require variable names in domain and range

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Mostly new

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New

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Updates

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Updates

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Update

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214 new Differential Equations questions added to NPL

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Fixed list of included macros.

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Fixed list of macros loaded.

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Fixed list of macros being loaded.

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fixed sign error

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Fixed bug 1960.

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Minor syntax errors fixed

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Some new Calc 1 questions

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Problem Authoring Tutorial and Templates for the wiki page SubjectAreaTemplates

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Fix error with randomization

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fixed typo (second vector j replaced by vector k)

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Fixed sign error in answer

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Changed AnSwEr1 to ANS_NUM_TO_NAME(1), etc. in multipart questions

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Changes to avoid 1/1

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Fixed answer checker errors

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Fixed factoring error

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Changed AnSwEr1 to AnSwEr001, etc

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Results of running convert_fun_in_dir.sh to clean up problems

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Minor modifications to accommodate confusion over which "Matrix" object to use. Similar modifications to replace List with ChoiceList so that the MathObjects version of List is not confused with what is now ChoiceList which is the super class of Multiple, Select etc. -- various multiple choice question methods.

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Adding COMMENT('MathObject version') to files loading MathObjects.pl

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fixing a problem in which TEXT(beginproblem) appears in many files -- it should be TEXT(beginproblem())

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bug fixed in answer

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Oops

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New Calc 3 problems

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