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In this YouTube tutorial, we learn how to add automatic calculations to form fields. The example used is an expense reimbursement form where the user can input items, quantity, and cost. The goal is to have the total field automatically calculate based on the quantity and cost entered. This is done by setting up a calculation in the calculate tab of the form field. By multiplying the quantity and cost, the total can be automatically calculated without waiting for the entire form to be filled out.
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