Usage is calculated on the last day of every month. For more information on usage data, visit the Usage Overview page.
|Rank by Contributions:||23 / 1960|
|First Contribution:||15 Jun 2007|
|Last Contribution:||03 Mar 2011|
|Citations on Contributions:||5|
|Usage in Courses/Classrooms:||367 users served in 50 courses from 13 institutions|
* Total only includes versions of the tools this author contributed to.