weeknum() function

[Gizmo-helten]

Hi

I would like to write 2 weeknumbers in to 1 field.
I tried something like this:
=Weeknum(D40;1) and it works fine.
But when I want the second week to appear from field D48 it reports an error.
I want it to look something like this:
weeknum + weeknum ie. 40 + 41
How can I do this???
=weeknum(D40;1) " + " weeknum(D48;1) This reports error

 

[Norie]

Try this.

=WEEKNUM(D40;1) & " + " & WEEKNUM(D48;1)