Rhea is a website that enables members of the Purdue community to help each other learn. Learn more . . .
Find out what your peers have already created on Rhea.
Many classes on campus are using Rhea as part of the course. If you don't see your course listed here, go ahead and create a page for it! There is a shortcut for doing this in the left-side bar.
Rhea is developed and maintained by students. Meet the Rhea development team and our writers-in-residence.
Featured Pages
Practice problems on "Signals and Systems"
Practice Problems on "Probability"
Your donations support this Project.
Acknowledgements
The initial development of Rhea was funded by: 
The Motorola Foundation 
