Computer Language Company Books

Advanced level 1 dBase: Concepts for first-time users

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The dBASE Query Language: How to Search for and Select Your Data in dBASE

By Alan Freedman

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Computer desktop encyclopedia

By Computer Language Company

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Provides more than 15,000 definitions from the computer field and the information technology industry. Also includes more than 2,500 illustrations, photos, charts, and diagrams.

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.