Raymond Blum Books

Mathamusements
Mathamusements

By Raymond Blum

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Math et magie croco rose
Math et magie croco rose

By Blum Raymond

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Festival de Ingenio
Festival de Ingenio

By Raymond Blum

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Matemagia - Trucos Magicos Garantizados (Ediciones de Mente)
Matemagia - Trucos Magicos Garantizados (Ediciones de Mente)

By Raymond Blum

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Dozens of number tricks from easy to expert.

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Mathemagic
Mathemagic

By Raymond Blum

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Dozens of number tricks from easy to expert.

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Trucos Matemagicos
Trucos Matemagicos

By Raymond Blum

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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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