**FundacionHarvard**- JotForm Support
**Kiran**I understand that you want to add the values entered in the matrix field to the calculation widget.

Please refer to the following guide that can help you with performing calculations in the matrix field.

https://www.jotform.com/help/343-How-to-Perform-Form-Calculation-in-the-Matrix-Field

Hope this information helps! Please get back to us if you need any further assistance. We will be happy to help.