current.graphics        Auxilary function for export graphics to
                        Microsoft Excel
dimnames.excel.range    Operations with column and row names of
                        'excel.range' and 'xl' classes.
xl                      Object for working with Microsoft Excel data
xl.connect.table        Interactive work with data in Microsoft Excel
xl.get.excel            Function which return reference to Excel
                        application
xl.sheets               Basic operations with worksheets
xl.workbooks            Basic operations with Excel workbooks
xl.write                Methods for writing data to Excel sheet
