- JotForm SupportJanAnswered on April 07, 2016 at 12:35 PM
You can actually use the Form Calculation widget in order to apply formula on the Matrix table.
In the Calculation Wizard, you can click the "Add Field" button and add the "Matrix" field.
Here's a helpful guide: How-to-Perform-Form-Calculation-in-the-Matrix-Field
Hope that helps. Thank you.