InfoPath Dev

I have seen this with IE 11.+ in compatibility view have the user(s) remove or add the site and view the form it may resolve the rendering issues.

 Are the users of the form running IE? If so are they running in Compatibility mode?

 Quick update! I used your base formula and altered it slightly to achieve my goal. I have to add syntax to exclude blanks in this new field we added :-p   count(SharePointListItem_RW[Number != preceding-sibling::SharePointListItem_RW/Title and Number != ""])    

You are great! I've searched and found your replies from years ago and they have been the answer I needed or put me on the right track every time.

 Hello I have a SharePoint library that tracks users training modules, I look at two columns Title and Module to derive the count, and want to count each unique item in Module for each user in Title. My issue is if a user takes the same training multiple times it counts towards their overall completion total which isn't accurate. For ...