Gunther Blaschek Books

Introduction to Programming With Modula-2

By Gustav Pomberger, Gunther Blaschek

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Object-Oriented Programming With Prototypes

By Gunther Blaschek

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Einfuhrung in die Programmierung mit Modula 2 Studienreihe Informatik

By Gustav Pomberger, Franz Ritzinger, Gunther Blaschek

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Object Oriented Programming

By Gunther Blaschek

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This textbook is intended for the novice as well as for the experienced programmer who wants to learn more about object-oriented programming. There are three main topics covered in this book. First...

Introduction to Programming with Modula 2

By Gunther Blaschek

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This textbook is intended for the novice as well as for the experienced programmer who wants to learn Modula-2. The authors do not just describe Modula-2 but instead seek to familiarize the reader...

Introduction to Programming with Modula 2

By Gunther Blaschek, R. Bach, Gustav Pomberger

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Object Oriented Programming

By Gunther Blaschek

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Object Oriented Programming

By Gunther Blaschek

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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.