Tom Rettig Books

Advanced Programmer'S Guide Featuring Dbase 3 (Iii) And Dbase 2 (Ii)
Expert Advisor: DBASE III Plus
Expert Advisor: DBASE III Plus

By Tom Rettig, Debby Moody, Rettig, Tom, Moody, Debby

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xiii, 652 p. : 24 cm Includes indexes

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Tom Rettig'S DBASE IV Encyclopedia
T Rettig Clipper
T Rettig Clipper

By Bep, Tom Rettig

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Tom Rettig'S Foxpro Handbook
Tom Rettig'S Foxpro Handbook

By Tom Rettig

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Tom Rettigs Foxpro Handbook
Tom Rettigs Foxpro Handbook

By Tom Rettig

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Advanced Programmers Guide

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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.

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