>Hi Moises,
>
>>But I used your suggestions and succeed as below:
>
>Hmm, I don't see any difference between your code and Naomi's, except that your code requires two lines and macro substitution. What error did you get when you tried Naomi's code?

Hi Christof,

I was thinking may be Moises has res4 as a variable holding reference to the actual form and therefore it doesn't work the way I proposed. If this is the case, we can still get this result without a macro through evaluate and GetPem() functions.