Did you know that you could calculate fields in the query in Microsoft Access? If the user wants a calculated field in a query, the user needs to input a name for the calculated field, a colon, and ...

Need to add a calculated field to an Access form? It's easy, and you can do it on the fly. Just add a new text box control with the appropriate formula as its control source. If you are building an ...

Don't let Null values derail your formulas. See how to use the NZ function to convert the values to zeroes. You’ve created a query that calculates an invoice total by adding the order total and the ...