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I have a text box with a calculation. When the result is >0 - I want to use it in another calculation. If not then ignore it. How can I do this? Would this be a IF/Then expression and how do you use it and where?

I have calculated fields on a form. Can these be saved to the query or table? I would like to list these calculated fields (from the form) onto a report. Is it possible to do that? And also is there a way to only show positive values from a calculated field (others would be blank) or change...