Mary Campbell Books

Lady Morgan
Lady Morgan

By Mary Campbell

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Using Excel, IBM version
Using Excel, IBM version

By Ron Person

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Checkmate
Checkmate

By Mary Campbell

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Hip Hop Happy
Hip Hop Happy

By Mary Campbell

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Second Wind
Second Wind

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In the Trenches
In the Trenches

By Mary Campbell

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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.

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