Christian Gram Books

Design Principles for Interactive Software

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The book addresses the crucial intersection of Human-Computer Interaction (HCI) and Software engineering. It examines quality from the perspectives of both HCI and Software Engineering, and then sy...

History of Nordic Computing 4

By Christian Gram, Per Rasmussen, Soren Duus Ostergaard

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Design Principles for Interactive Software

By Christian Gram

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History of Nordic Computing 4

By Christian Gram, Per Rasmussen, Soren Duus Ostergaard

Average: 0.00, 0 Ratings

History of Nordic Computing 4

By Christian Gram, Per Rasmussen, Soren Duus Ostergaard

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Concepts in User Interfaces

By Hans J Rgen Kugler, Christian Gram, Helmut Stiegler, Ian Newman, Claus Unger

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115p

Design Principles for Interactive Software

By Christian Gram, Gilbert Cockton

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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.