David, Alessandro, Nalin,
There are a lot of us who are limited by the lack of numeric OCR in Vuforia 2.5. I see the requests on the wish list forum and I'm wondering what the dev team has to say about it, if anything.
There are rumblings in the Unity forums about writing ObjC hooks to the Tesseract API to achieve this functionality. I'd obviously rather use Vuforia if this funcitonality is actually in the pipeline.
So, let us know!