Paul C. Anagnostopoulos Books

Vax Vms: Writing Real Programs in Dcl

By Paul C. Anagnostopoulos

Average: 0.00, 0 Ratings

Writing real programs in DCL

By Paul C. Anagnostopoulos

Average: 0.00, 0 Ratings

Newly revised and updated, Writing Real Programs in DCL, 2nd Edition will help OpenVMS programmers make an intelligent choice between DCL and more conventional programming languages. In addition, i...

VAX VMS--writing real programs in DCL Paul C. Anagnostopoulos

By Paul C. Anagnostopoulos

Average: 0.00, 0 Ratings

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.