Price look-up code(PLU code)

Reference :

Price look-up code - Wikipedia, the free encyclopedia :
http://en.wikipedia.org/wiki/Price_look-up_code

IFPS :: Search PLU Codes :
http://plucodes.com/search_wizard.aspx?s=1

IFPS :: FAQs - PLU Codes :
http://www.plucodes.com/faqs.aspx

[PDF]PLU Codes User's Guide :
http://www.plucodes.com/docs/Users_Guide.pdf