Calculated fields in forms

[Alfredo_Pou]

Hello, how do I show a calculated field inside a form?
In this case I have a list of Products and a form to Enter stock.
In the form, I need to show the value of the quantity multiplied by the cost in such a way that as the user enters the quantity, the Total Value field will show him the result of the multiplication, without having submitted the form.
I tried to do it with a Math column, but it does not allow me to show it, since it only allows me to access the fields of the Products table and not the Income table where I am entering the records.

Thanks for your help!!

[Jeff_Hager]

You can’t perform calculations in a form because none of the data gets submitted to the table until you click on submit. I recommend creating a custom form that would allow you to do this.

How do I create a custom form?

I’m just dropping this here so I have something to refer people to when they ask. This is a simple concept app (copyable), that demonstrates the following techniques: Building custom forms for adding and editing list items (as an alternative to the native forms provided by Glide) Preventing duplicate new entries using User Specific Columns and Relations Enforcing mandatory input items The use of visibility conditions and user specific booleans to control user flow There is nothing particula…