You can combine it with Col Number for example
Names Default To Here(1);
dt = Open("$SAMPLE_DATA/Big Class.jmp");
dt << New Column("Score Height", Formula(Col Score(:height)));
dt << New Column("Score Height Reverse", Formula(Col Number(:height) - Col Score(:height) + 1));
dt << New Column("Score Height by age", Formula(Col Score(:height, :age)));
dt << New Column("Score Height by age Reverse", Formula(Col Number(:height, :age) - Col Score(:height, :age) + 1));
Write();

-Jarmo