Tom Casteel Books

Engines
Engines

By Tom Casteel, Donna McKinney

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Engines
Engines

By Tom Casteel, Donna McKinney

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Chemical Reactions
Chemical Reactions

By Tom Casteel, Susan Berk

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Chemical Reactions
Chemical Reactions

By Tom Casteel, Susan Berk

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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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