Claudi Alsina Books

Charming proofs

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"Theorems and their proofs lie at the heart of mathematics. In speaking of the purely aesthetic qualities of theorems and proofs, G. H. Hardy wrote that in beautiful proofs 'there is a very high de...

A Mathematical Space Odyssey

By Claudi Alsina, Roger B. Nelsen

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Plans De Metro Et Reseaux Neuronaux La Theorie Des Graphes

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Bezaubernde Beweise

By Claudi Alsina, Roger B. Nelsen

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Perlen der Mathematik

By Claudi Alsina, Thomas Filk, Roger B. Nelsen

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El club de la hipotenusa

By Claudi Alsina

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Vitaminas matematicas

By Claudi Alsina

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Geometria para turistas

By Claudi Alsina

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Tres professors de matematiques

By Caludi Alsina Catala, Carme Burgues Flamarich, Anton Aubanell Pou

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Demostraciones con encanto

By Claudi Alsina, Roger B. Nelsen

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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.