Paul Wellin Books

Programming with Mathematica

By Paul R. Wellin

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Computer Simulations with Mathematica and Java

By Todd Gayley, Paul Wellin

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Computer simulations with Mathematica

By Richard J. Gaylord

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The study of natural phenomena using computer simulation is a major new research tool in the physical, chemical, biological and social sciences. It is useful for studying simple systems, and it is...

Programming with Mathematica R

By Paul Wellin

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Essentials of Programming in Mathematica R

By Paul Wellin

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Programming with Mathematica R

By Paul Wellin

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Programming with Mathematica R

By Paul Wellin

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Essentials of Programming in Mathematica

By Paul Wellin

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Essentials of Programming in Mathematica

By Paul Wellin

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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.