Robert Amenn Books

Real World Programming With Borland C++ With Disk

By Robert K. Amenn, Robert Amenn

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Everything You Want And Need To Know About Web Development : Web Development With Visual Basic 5

By Davis Howard Chapman, Davis Chapman, Robert Amenn, Written By Davis Chapman With Robert Amenn ...

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Web Development with Visual Basic 5 is a comprehensive tutorial and reference guide to the newest web development technologies. Developers will learn what these technologies are and when to use the...

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.