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How to leave Date formula cell blank until date entry??

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    Question How to leave Date formula cell blank until date entry??

    From limited experience I know that excel calculates dates via serial numbers.

    I have formulas to add a number of days to a cell containing an entered date and display the resulting new date (ie. 03/01/2011 (c34)+11 = 03/12/2011)

    I am seeking to leave resulting formula cell blank until a date is entered in the input cell. Currently when the input cell is empty the formula cell obviously displays 1/11/1900 using the above example.

    What conditional format would achieve leaving the formula cell blank until date data in entered into the source cell?

    Hopefully a simpler question for your experience level than mine.
    Last edited by NewbieDateFormatter; 03-16-2011 at 01:10 AM.

  2. #2
    @dministrator JBeaucaire's Avatar
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    Re: How to leave Date formula cell blank until date entry??

    Try this formula in the cell:

    =IF(C34="", "", C34 + 11)
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    Smile Re: How to leave Date formula cell blank until date entry??

    Ray Kroc is right again!

    It is amazing how much you don't know you don't know until until you are fortunate enough to know someone who knows what you need to know!!

    Thanks for teaching me all I need to know on this subject... but no doubt not teaching me all that you know!

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    @dministrator JBeaucaire's Avatar
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    Re: How to leave Date formula cell blank until date entry??

    Glad to help.

    If that takes care of your need, please click EDIT in your original post, click GO ADVANCED and set the PREFIX box to SOLVED.

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    Question How to change Date formula cell text color on or after a certain date??

    I am aware of the formula to change a cell text color when a certain date is reached.

    Is there an equivalent if/then formula for the color change being in effect on AND after a certain date?

  6. #6
    @dministrator JBeaucaire's Avatar
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    Re: How to leave Date formula cell blank until date entry??

    Instead of using = in your formula, use either >= or <=.

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