Convert   BR    to    $BR    in Solution.
git pull upstream master
Merge branch 'master' of github.com:openwebwork/webwork-open-problem-library
Merge branch 'master' of github.com:openwebwork/webwork-open-problem-library
2013-12-21 4:57pm
Merge branch 'master' of github.com:openwebwork/webwork-open-problem-library
several months since my previous update
replace   $PAR$   with    $PAR
  error caused warning during generation of hardcopy with solutions
Merge pull request #59 from Dick-Lane/master

1 new fix; I'm confused
The problem now accepts any capitalization.
Warning about the hint mentioning a section in the book is added.
Change domain of function evaluation

Context()->variables->set(t => {limits => [900, 1100]});
This will make the answer checker more robust.
Change domain of function evaluation

See Lebl-1-4-09b.pg
This is a suggestion for improving readability of this problem.
(It is NOT a fix of any bug.)

Enlarge figures
 a) large view of candidate graphs
 b) thumbnails of candidate graphs
 c) graph of correct answer in solution
 d) graph of original function
Minor randomization change for special cases
Minor randomization change for special cases
Fix bug 3020
Merge branch 'master' of github.com:openwebwork/webwork-open-problem-library
Add clarifying instructions to problem text

(Note: you need to enter answers in all three answer blanks to receive feedback.)
Merge branch 'master' of github.com:openwebwork/webwork-open-problem-library
Zap bogus stuff appended to problem code.
Merge pull request #61 from Dick-Lane/master

Both parts look like improvements.
New optimization problem.