Syntax to Calculate Amount in Query Field

[JO505]

I have a query with a field containing the "Amount Due" and another with "Amount Paid" I am trying to return the :Balance Due" in a third field. All fields are in the same query "QryJobHIstory". I keep getting a syntax error and I cant seem to find the problem.

Can someone provide the proper syntax?

Jim O

As a beginner in Access I hope I have provided the necessary information, if their are any questions please let me know.


Edit:
I must have hit the wrong button and cut my title short somehow.

As a start I have the field name and beginning of the expression as follows, without the quotes, "Balance Due:[AmountDue]-[TotalPaid]".

[FDibbins]

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[JO505]

I found out my problem, one of the fields had a null value. when I entered a 0, all is well.

Jim O

It is a long learning curve.

[Norie]

Jim

To deal with Null values take a look at Nz and Is Null.