Simon Singh Books

Fermat's enigma

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Fermat's Last Theorem became the Holy Grail of mathematics. Whole and colorful lives were devoted, and even sacrificed, to finding a proof. Leonhard Euler, the greatest mathematician of the eightee...

Requiem for Orpheus

By Simon Singh

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The Simpsons and Their Mathematical Secrets

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The Simpsons and Their Mathematical Secrets

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"Simon Singh, author of the bestsellers Fermat's Enigma, The Code Book, and The Big Bang, offers fascinating new insights into the celebrated television series The Simpsons: That the show drip-feed...

The science of secrecy

By Simon Singh

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Fermat s Last Theorem

By Simon Singh

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Fermat's last theorem

By Simon Singh

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The Code Book

By Simon Singh

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The Code Book

By Simon Singh

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Le Dernier Theoreme de Fermat

By Simon Singh

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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.