Created attachment 114408 [details] Screenshot of the bug Okular caluculates the correct result in a form, but the rounding doesn't work. So, there are too many zeros in the text field. See screenshot!
Can you please attach the pdf you're using for this?
Created attachment 114409 [details] pdf file pdf file: Column D in table on second page.
Thanks, i'll have a look.
This is solved by https://phabricator.kde.org/D13171 + https://phabricator.kde.org/D13172