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  1. #1
    scubagal is offline Novice
    Windows 7 32bit Access 2010 32bit
    Join Date
    Jul 2011
    Posts
    21

    Calculation Function In A Report

    I created a simple report in Access 2010 that in one column lists the date with a column beside that lists a numeric reading for that date. Now what I need to do is make a calculation that subtracts 1 reading from the previous reading and dispalys it beside of the first date. Example:



    Date Reading 24hr Difference

    11-1-11 123456 333

    11-2-11 123789 174

    11-3-11 123963

    Is this possible? Thanks for any help.

  2. #2
    alansidman's Avatar
    alansidman is offline Life @ 7100'
    Windows 7 32bit Access 2007
    Join Date
    Apr 2010
    Location
    Steamboat Springs
    Posts
    2,459
    Look at this link on Allen Browne's site.

    http://allenbrowne.com/subquery-01.html

    Alan

Please reply to this thread with any new information or opinions.

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