BINARY OPERATOR: &++
SYNOPSIS:
EXAMPLES:
> with(tubular):
> read_in(3,3,3);
> f1 := get_class([4/3,3,0,2]); show(f1);
> f2 := get_class([4/3,3,1,7]); show(f2);
> f := f1 &++ f2; show(f);
SEE ALSO: &==, &--, &mm, tubular/datatypes