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    Subsequent subtraction, if the field is null subtract from next one in sequence

    Thanks for replaying all, I can't post my file it is a huge one, my table contains many fields but I need to do the calculation on 12 of them. In my example, I gave the fields (columns) names: Value1, 2, and 3 there are 12 of them and they actually represent surface elevation. I need to find...
  2. L

    Subsequent subtraction, if the field is null subtract from next one in sequence

    Hi all, I am new to the forum and also Access novice. I will appreciate very much if someone can help me solve my access problem, I have been trying to find the solution for few days and I finally decided to ask. I need to subtract one column from another but there are many nulls which I...
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