I'd think the easiest thing to do would be to hide column C. I'm assuming
that you just don't like having it visible.
--
HTH

JonR


"Arne Hegefors" wrote:

> Hello! I have a small problem. I have two columns, A and B. In these columns
> there are returns for different bonds. In column C I calculate the diffence
> between A and B (C1=A1-B1). In column D I want to calculate the standard
> deviation of the difference dating 30 data points back. Thus, in D31 i write
> =STDAV(C1:C30).
>
> This all works fine. However I want to skip having the C column and make the
> calculations for the standard deviation of the dÃ*fference dierctly from the
> values in A and B. However I have not managed to do so. Please help me out! I
> know it does not sound worthwhile but having the extra column really messes
> up my spreadsheet! Any help appreciated! Thanks alot!