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JotForm Support Manager
Yes, you can, here is how:
I think you misunderstand. My question was actually can I total 2 separate purchase order fields in one form - meaning have a purchase order field in the beginning of my for, then collect more information in the middle of the form and then have more purchase order fields at the end of my form with only one total.
Unfortunately, it is not possible to use multiple purchase order field, although you can however setup a multiple payments form following the guide mentioned by my manager earlier.
What I could recommend is that you create the products you want manually using the form fields then use the Form Calculation widget to sum them all up, after that you can pass that total to the Payment Tool. Here's an example form I made: http://form.jotformpro.com/form/50494888885983
First, know how to pass a calculation value to the form field: http://www.jotform.com/help/301-How-to-Assign-Calculation-Value
Second, perform calculation between your fields: http://www.jotform.com/help/259-How-to-perform-calculation-in-the-form
Third, pass the calculation to your payment field: http://www.jotform.com/help/275-How-to-pass-a-calculation-to-a-payment-field
I hope that helps. Do let us know if you need more information on this.