wait combine demo.5s + +avr wait clean wait get demo.6 do
        With the Combine Function of T/Maker,  you can
        do  calculations  across  tables  getting  the
        third dimension if  you  need  to.   Let's for
        example take the average of  the  table  below
        with  a  similar  table  on  disk   that   has
        different numbers.
 
        ---------------------------------------------
                      1977         1978         1979
        ---------------------------------------------
ex                  9999.99      9999.99      9999.99
+       Item A        23.45        32.45        41.23
+       Item B        11.23        25.11        22.34
+       Item C         9.67        11.00        14.80
+       Item D        27.60        24.60        18.90
        ---------------------------------------------
=       Total         71.95        93.16        97.27
        ---------------------------------------------