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Calculating sums from selective entries

Question asked by benjibear on Nov 8, 2009
Latest reply on Nov 16, 2009 by benjibear


Calculating sums from selective entries



I am trying to build a simple accounting database.

I have expenses listed in a table with fields for date, supplier, item, category, amount etc.

I would like to select all entries of a certain category (e.g. Travel) and sum up the corresponding amounts

in a new field, to indicate the total travel expenses.

I am not sure how to formulate the calculation field.


I would greatly appreciate some advice.