Try this:
A2 = some date
Enter this formula in B2 and copy across to E2:
=DATE(YEAR($A2), MONTH($A2)+COLUMNS($B2:B2)*3,DAY($A2))

Signature
Biff
Microsoft Excel MVP
> What would be the formula to do the following in Excel (2003)? Want to be
> able to enter a series of different start dates and then with a formula
[quoted text clipped - 6 lines]
>
> THANK YOU!
T. Valko - 07 Sep 2007 05:54 GMT
Or, more simply:
Entered in B2 and copied across:
=DATE(YEAR(A2),MONTH(A2)+3,DAY(A2))

Signature
Biff
Microsoft Excel MVP
> Try this:
>
[quoted text clipped - 14 lines]
>>
>> THANK YOU!
Dee - 07 Sep 2007 07:06 GMT
I'll try that . Thank you.

Signature
Dee, new to Excel
> Or, more simply:
>
[quoted text clipped - 20 lines]
> >>
> >> THANK YOU!
Dee - 07 Sep 2007 18:14 GMT
PERFECT! Thank you so much.

Signature
Dee, new to Excel
> Or, more simply:
>
[quoted text clipped - 20 lines]
> >>
> >> THANK YOU!
T. Valko - 07 Sep 2007 18:56 GMT
You're welcome. Thanks for the feedback!

Signature
Biff
Microsoft Excel MVP
> PERFECT! Thank you so much.
>
[quoted text clipped - 24 lines]
>> >>
>> >> THANK YOU!