**DuTonic**Hola, buen día.

Deseo saber si es posible usar una tabla que me permita la suma de valores y que pueda ir agregando más filas a la tabla.

¿Existe algún widget o app que pueda usar e incluirlo en el formulario?

De antemano, muchas gracias. Espero su pronta respuesta.

**Charlie**Hi,

There are two features that you can use:

**Solution #1:**You can use the Conditional Logic, Form Calculation widget and the Matrix field to do calculations, you can check the following guides to better help:https://www.jotform.com/help/414-How-to-Perform-Calculation-in-the-Matrix-Field-Through-Condition

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

**Solution #2**: You can use the Spreadsheet widget. You can check that widget here: https://widgets.jotform.com/widget/spreadsheetI hope that helps.