You can find out more about ENVI training classes by clicking on the Training link above and selecting "Available Courses." There are also a large number of free tutorials available for download. Click on the Training link and select "On-line Tutorials." You will have to log in to access them. If you do not already have an account, setting one up is very straightforward. The tutorials are in PDF and use data that come on three CDs that are packaged with every ENVI installation CD. The tutorials are on those disks as well. The data cannot be downloaded.