PDF Forms - Expressions

[geoffatsource]

Is it possible to include expressions for calculated fields in PDF form fields?
https://helpx.adobe.com/sign/using/calculated-fields.html

[jan_blaha]

Hm, I can't find this in the actual pdf standard
https://opensource.adobe.com/dc-acrobat-sdk-docs/pdfstandards/pdfreference1.6.pdf

Its probably not supported in the current implementation, but will later check what that about.