Florentin Smarandache Books

Cultural advantages in China tale of six cities

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Aflorisme

By Florentin Smarandache

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Special classes of set codes and their applications

By W. B. Vasantha Kandasamy

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Defeated tree

By Florentin Smarandache

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Groups as graphs

By W. B. Vasantha Kandasamy

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"For the first time, every finite group is represented in the form of a graph in this book. This study is significant because properties of groups can be immediately obtained by looking at the grap...

Special set linear algebra and special set fuzzy linear algebra

By W. B. Vasantha Kandasamy

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New classes of neutrosophic linear algebras

By W. B. Vasantha Kandasamy

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NonNOVEL

By Florentin Smarandache

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Only problems, not solutions!

By Florentin Smarandache

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Nonpoems

By Florentin Smarandache

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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.