Dave Prochnow Books

1001 things to do with your Amiga

By Mark Sawusch

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1001 things to do with your IBM PS 2

By Dave Prochnow

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Flight Simulator and Flight Simulator II

By Dave Prochnow

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Why?

By Kathy Prochnow, Dave Prochnow

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Presents forty-nine experiments for the young engineer, astronomer, chemist, meteorologist, biologist, and physicist.

Why

By Kathy Prochnow, Dave Prochnow

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How?

By Dave Prochnow

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Presents forty-three experiments in such areas as structural engineering, astronomy, chemistry, and meteorology.

How

By Kathy Prochnow, Dave Prochnow

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Chip talk

By Dave Prochnow

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The GEM operating system handbook

By Dave Prochnow

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1001 things to do with your Commodore 128

By Mark Sawusch

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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.