This Introduction contains a two-page overview and a more detailed introduction to the COSMIC method. It describes the ‘why’, the ‘how’, the advantages and the benefits of using the COSMIC method of software size. It also contains a brief history of functional size measurement and other ways of measuring software size.
For an overview of the changes see the section ‘Main changes from version 1.1 to 1.2’.
You can find it in the Knowledge base of cosmic-sizing, or download it here.