Usage is calculated on the last day of every month. For more information on usage data, visit the Usage Overview page.
|Rank by Contributions:||15 / 1961|
|First Contribution:||16 Nov 2005|
|Last Contribution:||20 Oct 2017|
|Citations on Contributions:||17|
|Usage in Courses/Classrooms:||1,022 users served in 85 courses from 7 institutions|
* Total only includes versions of the tools this author contributed to.