>Hi,
>
>I get error "Function argument value, type, or count is invalid" on the following line:
>
>

>=Bittest( 0, 32)
>

>
>That is, if above has the number less than 32, no problem. But starting with 32, a problem.
>
>Could someone see what is wrong with above?

Your integers have only 32 bits, numbered from 0 to 31. You overstepped.

(and this is not the bittest question in the world - I've seen bitter...)