How can I develop an Application which reads hand written digits through a scanner acting like bar code reader

Question

Dear All,
I hope you all are fine and keeping well. I want to ask from you one question about barcode readers, I mean scanner which read bar codes. Is their any device which can scan digits or characters or both of them. I mean I need digits scanner with same functioning as of barcode reader. I also want to know Can I scan hand written numbers. Please send me the answer of these questions, I am waiting for your positive reply.

THANKS

Answer 1

You need to research OCR and the specialized OCR fonts.

As for hand-written digits, yes, there are some devices / applications that reads digits. Postal service use those for zipcodes and equivalents.