Lutz Engelmann Books

Einfuhrung in die angewandte Informatik am Beispiel von MS Works for Windows

By Lutz Engelmann

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Einfuhrung in die angewandte Informatik am Beispiel von MS Works for Windows

By Lutz Engelmann

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Duden Basiswissen Schule m. CD ROM Mathematik

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Duden Basiswissen Schule m. CD ROM Informatik

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Duden. Basiswissen Schule. Informatik Abitur. Buch CD ROM Internet. Lernmaterialien

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Duden Formelsammlung extra Mathematik

By Heike Kruger Beer, Lutz Engelmann

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Mehr als nur eine Formelsammlung: Der zentrale Lernstoff der 5. bis 10. Klasse in einem Band. Für Schülerinnen und Schüler zum selbstständigen Nachschlagen im Unterricht und zu Hause.

Duden. Basiswissen Schule. Mathematik

By Harald Krause

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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.