The documentation set consists of the CDF User Guide, the CDF C Reference Manual, the CDF Fortran Reference Manual, and the CDF Internal Format Description.
The CDF documents are available in Adobe Portable Document Format (PDF) files, and they are located at spdf.gsfc.nasa.gov/pub/software/cdf/doc/latest_version.
The latest CDF release is Version 3.9.0.0 and its documentation consists of:
CDF User Guide
CDF C Reference Manual
CDF Fortran Reference Manual
CDF Java Reference Manual
CDF Perl Reference Manual
CDF C# Reference Manual
CDF Visual Basic Reference Manual
CDF Internal Format Description
Some general information on CDF, including this FAQ, and software are also available from the CDF Home Page with the following URL: