Ah thank you thank you thank you....

actually i had to reinstall PBP 2.6, i had a backup on the pc of 2.46, and one of the kids deleted the compiler for 2.6 and went back to the 2.46, so i reinstalled, and checked that option.
i havent tryed the math but it let me assign a 40000000 number to the VAR so it should work.