y this "strange / incompatible results? i think is it just because i use some thousand floats, e.g. in arrays...and maybe some real program (ok maybe very rarely) uses more than three numbers... this may seem strange for some people, but for my part, my programs, game programs in fact :-) do so. thats why i extended my ram from the old 1k to now 256mb... exact results will follow& greets Paul