Abstract
Introduction of Microsoft Excel macros for environmental data analysis that one (SH) of the present authors has uploaded to web site (http://www.jomon.ne.jp/-hayakari/).
CMB8J, a macro for the CMB analysis, was made by translation of a freeware coded in USA for the CMB apportionment and has some advantages. The CMB8J yields detailed information about the processes of choice of sources and it propose a new performance measure for selection of a set of sources that gives a nice fitting.
