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Revision 69 - Directory Listing
Modified Sat Jan 21 23:59:09 2006 UTC (7 years, 3 months ago) by jj 
Fixed bug 866, did a little cleaning and added new files.
Revision 68 - Directory Listing
Modified Thu Jan 19 20:07:34 2006 UTC (7 years, 4 months ago) by jjholt 
Adjusted number of days so that it's correct for June.
Revision 67 - Directory Listing
Modified Tue Jan 17 23:55:23 2006 UTC (7 years, 4 months ago) by jjholt 
Repaired bug #872, changing the offending answers from "D" to "C"
to better reflect their true convergent nature.  --JH
Revision 66 - Directory Listing
Modified Mon Jan 16 19:39:09 2006 UTC (7 years, 4 months ago) by jj 
Improved problem.
Revision 65 - Directory Listing
Modified Mon Jan 16 17:43:19 2006 UTC (7 years, 4 months ago) by jj 
Added instructions.
Revision 64 - Directory Listing
Modified Mon Jan 16 17:17:15 2006 UTC (7 years, 4 months ago) by jj 
Added database subject entry.
Revision 63 - Directory Listing
Modified Sat Jan 14 02:17:26 2006 UTC (7 years, 4 months ago) by jj 
New files.
Revision 62 - Directory Listing
Modified Sat Jan 14 02:16:17 2006 UTC (7 years, 4 months ago) by jj 
New files for the library.
Revision 61 - Directory Listing
Modified Sat Jan 14 02:13:08 2006 UTC (7 years, 4 months ago) by jj 
New problems for the library.
Revision 60 - Directory Listing
Modified Fri Jan 13 21:39:10 2006 UTC (7 years, 4 months ago) by jjholt 
Fixed bug #908; Deleted brace.
Revision 59 - Directory Listing
Modified Wed Jan 11 03:21:37 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 865, display of decimal in problem.
Revision 58 - Directory Listing
Modified Wed Jan 11 03:05:18 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 864; added limits for function answer checking.
Revision 57 - Directory Listing
Modified Wed Jan 11 02:57:18 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 861.
Revision 56 - Directory Listing
Modified Wed Jan 11 02:44:46 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 858, and cleaned up problems making true/false selection into
popups.
Revision 55 - Directory Listing
Modified Wed Jan 11 02:21:27 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 851 (on what is the correct answer) plus a little cleanup.
Revision 54 - Directory Listing
Modified Tue Jan 10 22:52:16 2006 UTC (7 years, 4 months ago) by jj 
Fixed bug 847 (use num_cmp for checking numbers).
Revision 53 - Directory Listing
Modified Tue Dec 27 19:14:30 2005 UTC (7 years, 4 months ago) by jj 
Expanded the value range for the function answer checking to get a
bigger range of values.
Revision 52 - Directory Listing
Modified Tue Dec 27 19:08:08 2005 UTC (7 years, 4 months ago) by jj 
Reorganized answer and added values for the checking of the limits in
the answer checking.  Should fix bug 933.
Revision 51 - Directory Listing
Modified Thu Dec 22 22:34:30 2005 UTC (7 years, 4 months ago) by jj 
Fixed coefficients of +/-1 in displayed rational function.
Revision 50 - Directory Listing
Modified Fri Dec 16 20:01:53 2005 UTC (7 years, 5 months ago) by jj 
Initial import.
Revision 49 - Directory Listing
Modified Mon Dec 12 18:07:34 2005 UTC (7 years, 5 months ago) by jj 
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.
Revision 48 - Directory Listing
Modified Sun Dec 11 02:00:28 2005 UTC (7 years, 5 months ago) by jj 
Fixed misspellings, removed extra = (bug 930), and converted some entry blanks to pop_up_lists.
Revision 47 - Directory Listing
Modified Sat Dec 10 23:59:50 2005 UTC (7 years, 5 months ago) by jj 
Fixed bug in answer (bug 927).
Revision 46 - Directory Listing
Modified Wed Dec 7 05:07:03 2005 UTC (7 years, 5 months ago) by jj 
Fixed misspellings (bug 925).
Revision 45 - Directory Listing
Modified Wed Dec 7 02:28:06 2005 UTC (7 years, 5 months ago) by jj 
Fixed answer (bug 924) and added randomization.
Revision 44 - Directory Listing
Modified Tue Dec 6 02:07:04 2005 UTC (7 years, 5 months ago) by jj 
Fix bug 992 (^ used for exponentiation in perl code).
Revision 43 - Directory Listing
Modified Thu Dec 1 21:21:55 2005 UTC (7 years, 5 months ago) by jj 
A little more cleanup, finishing bug 904.
Revision 42 - Directory Listing
Modified Thu Dec 1 18:17:07 2005 UTC (7 years, 5 months ago) by jj 
Added parentheses to fix bug 915;
  adjusted the spacing of the display in the integrals;
  removed parents from display in one integral;
  adjusted randomization so some students don't get easier versions.
Revision 41 - Directory Listing
Modified Thu Dec 1 18:05:17 2005 UTC (7 years, 5 months ago) by jj 
Fixed bug 913 (misspelling);
      cleaned up display of equations (1,-1,0 coefs);
      deleted extraneous equal sign;
      removed unneeded macro loadings;
      quoted answers so that show answers shows their form.
Revision 40 - Directory Listing
Modified Wed Nov 30 19:21:28 2005 UTC (7 years, 5 months ago) by jj 
Fixed misspelling (bug 912), and changed fill in the blanks to pop up menus.
Revision 39 - Directory Listing
Modified Wed Nov 30 18:45:06 2005 UTC (7 years, 5 months ago) by jj 
Revised wording (fixing bug 911), and improved the display of equations
to use math mode, and to handle coefficients of 0, 1, and -1.
Revision 38 - Directory Listing
Modified Wed Nov 30 18:27:39 2005 UTC (7 years, 5 months ago) by jj 
Fixed bug 910 (misspelling); adjusted some spacing; put a variable in math mode in the text.
Revision 37 - Directory Listing
Modified Wed Nov 30 18:17:24 2005 UTC (7 years, 5 months ago) by jj 
Remove debugging info, and adjust tolerance of answer checking to be the
maximum of a reasonable tolerance, and what it would take to insure both
the expected answer and the optimal answer are accepted.
Revision 36 - Directory Listing
Modified Mon Nov 28 19:51:14 2005 UTC (7 years, 5 months ago) by jj 
Removed extraneous randomization, adjusted randomization so that the answer fits the requirement of |x|<1 for the last part, adjusted answer checking so that both the expected estimate and the correct answer are accepted as correct.
Revision 35 - Directory Listing
Modified Mon Nov 28 19:21:01 2005 UTC (7 years, 5 months ago) by jj 
Deals with the most immediate problem of bug 904.  There is still some
updating to be done.
Revision 34 - Directory Listing
Modified Mon Nov 28 14:55:17 2005 UTC (7 years, 5 months ago) by jj 
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).
Revision 33 - Directory Listing
Modified Mon Nov 28 05:13:39 2005 UTC (7 years, 5 months ago) by jj 
Fixed bug 903 (label E as bareword appears as 2.718...).
Revision 32 - Directory Listing
Modified Sun Nov 27 04:50:03 2005 UTC (7 years, 5 months ago) by jj 
Fixed answer checking to match the current version of interval_cmp, where it has to indicate unions=>'no' when checking points.
Revision 31 - Directory Listing
Modified Sat Nov 26 17:28:49 2005 UTC (7 years, 5 months ago) by jj 
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.
Revision 30 - Directory Listing
Modified Sat Nov 26 17:09:19 2005 UTC (7 years, 5 months ago) by jj 
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.
Revision 29 - Directory Listing
Modified Wed Nov 23 14:58:20 2005 UTC (7 years, 5 months ago) by jj 
Fixed problem where a denominator could be 0, and cleaned up display of
the rational function so that coefficients of 1 are handled.
Revision 28 - Directory Listing
Modified Tue Nov 22 18:12:12 2005 UTC (7 years, 5 months ago) by jj 
Fixed bug 897 in setting the correct answer, plus a little cosmetic
cleanup.
Revision 27 - Directory Listing
Modified Mon Nov 21 20:05:55 2005 UTC (7 years, 6 months ago) by jj 
Fixed typo (bug 890) and did an overhaul of the answer checking.
Revision 26 - Directory Listing
Modified Mon Nov 21 00:59:33 2005 UTC (7 years, 6 months ago) by jj 
Fixed bug 889 on duplicate entries for dne in answer evaluators.
Revision 25 - Directory Listing
Modified Sun Nov 20 22:43:07 2005 UTC (7 years, 6 months ago) by jj 
Fixed bug 887 on correctness of the answer, and did some other cosmetic cleanup.
Revision 24 - Directory Listing
Modified Sun Nov 20 15:20:01 2005 UTC (7 years, 6 months ago) by jj 
Fixed spelling of gradient, and made 2 answers look nicer.
Revision 23 - Directory Listing
Modified Sun Nov 20 15:13:25 2005 UTC (7 years, 6 months ago) by jj 
Fixed bug 888 on missing multiplication between coefficients.
Revision 22 - Directory Listing
Modified Sat Nov 19 19:06:30 2005 UTC (7 years, 6 months ago) by jj 
Innocuous clean up.
Revision 21 - Directory Listing
Modified Sat Nov 19 19:00:01 2005 UTC (7 years, 6 months ago) by jj 
Fixed bug in answer.
Revision 20 - Directory Listing
Modified Thu Nov 17 17:48:28 2005 UTC (7 years, 6 months ago) by jj 
Fixed missing element of list; converted fill in the blanks with pop up
lists; removed extraneous macro requirements.
Revision 19 - Directory Listing
Modified Wed Nov 16 18:52:23 2005 UTC (7 years, 6 months ago) by jj 
Fixed bug where ^ is used for powering in unquoted string, and minor
cleanup.
Revision 18 - Directory Listing
Modified Wed Oct 19 17:29:05 2005 UTC (7 years, 7 months ago) by jj 
Fixed typo in tags.
Revision 17 - Directory Listing
Modified Wed Oct 19 17:03:53 2005 UTC (7 years, 7 months ago) by jj 
Added subject tag.
Revision 16 - Directory Listing
Modified Mon Oct 17 19:10:15 2005 UTC (7 years, 7 months ago) by jj 
Fixed some tags.
Revision 15 - Directory Listing
Modified Mon Oct 17 18:52:04 2005 UTC (7 years, 7 months ago) by jj 
Fixed tag.
Revision 14 - Directory Listing
Modified Mon Oct 17 18:50:33 2005 UTC (7 years, 7 months ago) by jj 
Fixed DBsection tags
Revision 13 - Directory Listing
Modified Mon Oct 17 18:29:30 2005 UTC (7 years, 7 months ago) by jj 
Changed tag since this has little to do with partial fractions.
Revision 12 - Directory Listing
Modified Mon Oct 17 18:00:45 2005 UTC (7 years, 7 months ago) by jj 
Fixed code for computing the answer.  Also made a minor adjustment
in the randomization.
Revision 11 - Directory Listing
Modified Fri Oct 14 04:33:57 2005 UTC (7 years, 7 months ago) by jj 
Fixed buggy problem.
Revision 10 - Directory Listing
Modified Fri Oct 14 01:28:51 2005 UTC (7 years, 7 months ago) by jj 
Changed limits for checking answer so a right answer wouldn't be marked
wrong.
Revision 9 - Directory Listing
Modified Thu Oct 13 19:19:20 2005 UTC (7 years, 7 months ago) by ziemer 
Added "dx" to the integral.
Revision 8 - Directory Listing
Modified Wed Oct 12 22:59:54 2005 UTC (7 years, 7 months ago) by jj 
Synching initial version of database problems with hobbes copies.
Revision 6 - Directory Listing
Modified Wed Oct 12 19:45:41 2005 UTC (7 years, 7 months ago) by gage 
This commit was generated by cvs2svn to compensate for changes in r5, which
included commits to RCS files with non-trunk default branches.
Revision 2 - Directory Listing
Added Wed Oct 12 19:39:21 2005 UTC (7 years, 7 months ago) by gage 
initial creation of ProblemLibrary in database_library
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