Calculator

[cpayán]

I used to be able to pull up a calculator and create a tape that I could copy to the document. Where is it in Acrobat DC? I tried calling customer support but it takes hours to get a hold of someone. 

[LinSims]

I have no idea, but let's try moving your post to the Acrobat forum, where you are more likely to get a good answer to your question.

[Bernd Alheit]

Have you used a third party tool?

[try67]

There's no built-in calculator in Acrobat.

[gkaiseril]

There is an add on calculator through pdfscripting.com with a paid subscription.

Paper tape calculator description.