The SPECCHIO Release Notes give information about the installation of the SPECCHIO client and how to connect to the SPECCHIO online database.
The SPECCHIO User Guides are numbered in accordance with the SPECCHIO application versions. The User Guide contains: installation instructions, technical background information, operating instructions and a tutorial.
The SPECCHIO Matlab and R Guides contain instructions and examples on how to directly access SPECCHIO from Matlab and R.
There are also a few courses that teach you how to programm with SPECCHIO. See here.