Sticky Revision: |

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Fixed bug 2545, missing +C on indef. integral.

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Duplicates and typesetting.

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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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Fixing tags

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Removed extra line.

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Fixed bug 2438, allowing more answers to be marked right.

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Fixed bug 2304, removed extra answer blank and clarifying units.

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Fixed bug 2255, tagging of problem.

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Improved typesetting.

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Fixed bug 2047.

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Fixed bug 1944; right answer marked wrong when slope was 0.

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Fixed bug 1943; error given if a number is given in an answer instead of a function.

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Fixed bug 1940.

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Fixed bug. Also fixed up correct answer, and removed outdated comment about inputing arccos.

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Results of running convert_fun_in_dir.sh to clean up problems

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fixed bug 1368, fixed value of y1

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fixed bug 1794

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Fixed Bug 1364, made answer checker less rigid

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Used List object for answer and modified answer checker warnings

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Fixed bug 1367, used M.O.'s, made answer checker less rigid

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

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modifications for model_Calculus_1

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Adding MathObjects versions of many WeBWorK questions For use in model_Calculus_1 in particular

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

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Fixed bug 1733, sign wrong in answer.

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Fixed bug 1706. Answers were wrong.

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Fixed bug 1698, avoid having the problem define f(x) to have 2 different values at the same point.

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Fixed bug 1696, adjusted wording to avoid mild ambiguity.

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Removed extraneous line.

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Fixed bug 1678, wrong answer in problem.

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Added limits for function checking (bug reported directly to me).

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Fixed bug 1659, changed @color to $color in several places.

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Fixed bug 1635, tightened up answer checking and added a note to the student warning about the stricter tolerance.

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Fixed bug 1633; made answer checker match instructions for entering an empty interval.

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Fixed bug 1627; changed multipart answer checker to give a single result.

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Fixed bug 1626, multiple part answer was giving misleading feedback.

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Fixed bug 1629, extraneous limits for function check removed.

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Fixed bug 1599, improved the graph image and removed unneeded code.

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Fixed bug 1594, loosened answer checker on reading a value from a graph, and made a min point sharper.

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Fixed bug 1595, answer checker needed limits added on one part.

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Fixed bug 1590, answer was incorrect.

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Fixed bug 1564, answer checker was in strict mode so the answer had to be computed first.

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Fixed bug 1557, changed randomization to avoid a trivial case.

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Fixed bug 1530, incorrect formula used in answer.

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Fixed by 1506, by adding line y=0 to list of bounding curves for the region, and merged two sentences.

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Fix bug 1498, removed 1/x as a function to be plotted because webwork cannot handle it near the origin.

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Fixed bug 1495, added a help link for interval notation and tried to make the on-the-fly graph show up with the right domain.

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Adjusted domain so that first answer check is more sensitive on the constant.

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Fix bug 1487, added comment telling students the names of the colors which go with each graph.

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Fixed bug 1479 by changing the phrasing. The functions had non-conected domains, so the "most general antiderivative" would need to allow for different constants of integration on each conected component of the domain.

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Fix bug 1470 - set limits for a function before function comparison so that we get enough good points.

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Fixed bug 1432, clarified instructions on answering a question.

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Fixed bug 1430, an interval should have been the same throughout the problem, and the answer was sometimes wrong.

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Fixed bug 1417, multipart had to be changed to multianswer. Also upgraded the answer checking in case the student enters a constant function.

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Added check so that denominator is not zero.

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Updated to MultPartAnswer, and added a step in the answer checker in case the student puts in a constant where there should be a function.

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Added solution.

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Added units after the answer blank, and a little cleanup.

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Fixed bug 1342, answer was wrong sometimes because a value wasn't set in the wrong place. Also used mathobjects and Fraction to make things look nicer.

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Fixed typo.

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Added tags for Rogawski's "Calculus: Early Transcendentals".

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Fixed errors.

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*** empty log message ***

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Moved problems back into place in the Rochester library, and set up redirect files from their former locations.

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Updated tags.

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Updated tags.

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Updated/Consolidated tags.

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Updated tags.

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Added Stew6e tags.

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Fixed title, edition tags.

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Updated Tags. --JJH

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Updated/Corrected tags. --JJH

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Updated/Corrected tags. --JJH

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Fix bug 1253, incorrect answer being marked correct, by expanding domain for checking this function answer.

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Some cleanup and fixing of answer checkers.

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Improved answer checker.

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Fixed wrong answer, and adjusted randomization and display.

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Put a variable in math mode.

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Cleaning.

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Fixed a problem where students might get earlier parts of the problem correct, and use those values in the last part, but get the last part wrong. Now, earlier parts have to be entered exactly (which is kind of the point of this type of problem).

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Fixed buggy answer and did some cleanup.

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Fixed answer, which was buggy if it happened to be 0.

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Removed textbook specific sentence from problem.

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Changed answer convention, use "none" for none instead of using "1000" for none.

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Corrected typos in answer computation.

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Added/fixed tags.

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Fixed bug 1022.

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Fixed bug 1026: wrong answer and possibility of degenerate situation.

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Fixed bug 1008, empty set not being properly accepted.

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Fixed bug 1012; delicate phrasing of a question about where a function is increasing.

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Fixed bug 1013 - wrong answers.

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Fixed bug 1011; made checking of intervals sloppy and fixed open/closed parts of the intervals for when students can see the correct answers.

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Fixed tag typos

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Fixed problem tag. --JH

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Fixed bug 984, changing the answer and clarifying the wording.

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*** empty log message ***

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Fixed bug 975. Also gave partial credit.

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Fixed bug 977, including endpoints in some answer checking.

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Fixed bug 976, including endpoints in some intervals in answers.

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Fixed bug 963; changed a sign in the displayed formula.

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Fixed bug 956 (answer was wrong); removed unneeded macros; used pi in the answer instead of the numerical value.

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Fixed bug 909.

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Fixed bug 876.

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Adjusted number of days so that it's correct for June.

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Fixed bug #908; Deleted brace.

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Fixed bug 864; added limits for function answer checking.

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Fixed bug 861.

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Fixed bug 858, and cleaned up problems making true/false selection into popups.

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Expanded the value range for the function answer checking to get a bigger range of values.

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Reorganized answer and added values for the checking of the limits in the answer checking. Should fix bug 933.

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Fixed bug 931 (last answer); added helpLinks for interval notation; removed unneeded macro files; changed convention for lists with no elements from -1000 to None.

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Fixed bug in answer (bug 927).

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Fixed answer (bug 924) and added randomization.

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Fixed bug 905. Used Parser answer checkers to handle intevals where we want to allow the empty set, and cleaned up kludgy conventions of what to do in special circumstances (enter -1000 if this happens).

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Fixed range for checking the function; adjusted note since webwork now accepts sin^(-1)(x); did a nicestring; adjusted randomization to avoid a simple case 1/8 of the time.

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Fixed the answer for the domain, and did basic cleaning of the pg file. This uses parser directly for the intervals - it makes the correct answer display better.

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Fixed problem where a denominator could be 0, and cleaned up display of the rational function so that coefficients of 1 are handled.

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Fixed bug 897 in setting the correct answer, plus a little cosmetic cleanup.

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Fixed bug 889 on duplicate entries for dne in answer evaluators.

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Fixed bug 887 on correctness of the answer, and did some other cosmetic cleanup.

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Fixed bug 888 on missing multiplication between coefficients.

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Fixed typo in tags.

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Fixed some tags.

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Synching initial version of database problems with hobbes copies.

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This commit was generated by cvs2svn to compensate for changes in r5, which included commits to RCS files with non-trunk default branches.

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