Paul Virr Books

Pattern Puzzles
Pattern Puzzles

By Paul Virr, Lisa Regan

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Subtraction Puzzles
Subtraction Puzzles

By Paul Virr, Lisa Regan

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Subtraction Puzzles
Subtraction Puzzles

By Paul Virr, Lisa Regan

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Adding Puzzles
Adding Puzzles

By Paul Virr, Lisa Regan

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Adding Puzzles
Adding Puzzles

By Paul Virr, Lisa Regan

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Counting Puzzles
Counting Puzzles

By Paul Virr, Lisa Regan

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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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