Amir D. Aczel Books

Fermat's last theorem

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In 1995, a Princeton-based mathematician showed up at a scientific conference and dropped a bombshell. He had succeeded in deciphering one of mathematics' great secrets, one that thousands had puzz...

The Mystery of the Aleph

By Amir D. Aczel

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God s equation

By Amir D. Aczel

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"The product of research around the globe - and interviews with dozens of prominent scientists, God's Equation discusses the latest developments in cosmology, the study of the nature of the univers...

Entanglement

By Amir D. Aczel

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"Serious scientists, working off of theories, first developed by Einstein and his colleagues seventy years ago, have been investigating the phenomenon known as "entanglement," one of the strangest...

Chance

By Amir D. Aczel

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The Artist and the Mathematician

By Amir D. Aczel

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Fermat s Last Theorem

By Amir D. Azcel

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The Jesuit and the Skull

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Chance

By Amir D. Aczel

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Chance

By Amir D. Aczel

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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.