create cursor foo (f1 N(2),f2 c(2))
insert into foo values(2,"AA")
insert into foo values(3,"BB")
insert into foo values(2,"AA")
insert into foo values(3,"BB")
insert into foo values(2,"AA")
insert into foo values(3,"BB")
insert into foo values(2,"AA")

Average f1 next 2 for f2 = "BB" to m.myvar

?m.myvar && this returns 0