Ian Tweddle Books

Most mathematicians' knowledge of Euclid's lost work on Porisms comes from a very brief and general description by Pappus of Alexandria. While Fermat and others made earlier attempts to explain the...

James Stirling s Methodus Differentialis

By Ian Tweddle

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James Stirling's "Methodus Differentialis" is one of the early classics of numerical analysis. It contains not only the results and ideas for which Stirling is chiefly remembered, for example, Stir...

MacLaurin s Physical Dissertations

By Ian Tweddle

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Simson on Porisms

By Ian Tweddle

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MacLaurin s Physical Dissertations Sources and Studies in the History of Mathematics and Physical Sciences

By Ian Tweddle, Colin MacLaurin

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Simson on Porisms

By Ian Tweddle, Simson Robert

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James Stirling s Methodus Differentialis

By Ian Tweddle

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James Stirling s Methodus Differentialis

By Ian Tweddle

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MacLaurin s Physical Dissertations

By Ian Tweddle

Average: 0.00, 0 Ratings

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.