dude please there is a problem in the script .. when i do +2.0 it do the trick but when i do -2.0 it calculate more than 2.0!!!! i mean when i do a +2.0 on 2000 it make it 2200 for example but when i do -2.0 i make it 1980 ... not 2000 !! and with 1980.67 like that !! i dont want it like that !!