Question

How to calculate the sum of several cells in fillable form?

Answer

To calculate the sum of several numbers in the fillable form follow the steps below:

1. Open the file in PDF Editor.
2. Create a fillable form or click on Form Editor tab in the menu bar.
3. Add the button for the calculation of the sum:
   

For example:

• Trigger event can be set as Click;
• Action as Run JavaScript;
• In the field for the script, the following action can be used:

getField("TextField 3").value = getField("TextField 1").value + getField("TextField 2").value

4. Enter the script, click Save, and then Ok.

5. Go back to the Document tab.

6. Click the Sum button to receive the sum number.