Are you runing 32 or64-bit Windows 7?

>
>In my pc I have these values!
>
>Some have less or more zeroes, even 30 zeros,
>INT and CEILING for these work properly.
>I only put the wrong ones.
>
>We should look into the underlying C code.
>Probably some parameter of a Windows API is large and
>VFP does not properly check