Theodore W. Gray Books

Theodore Gray's Completely Mad Science: Experiments You Can Do at Home but Probably Shouldn't: The Complete and Updated Edition

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Completely Mad Science is 432 pages of dazzling chemical demonstrations, illustrated in spectacular full-color photographs.

Exploring mathematics with Mathematica

By Theodore W. Gray

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Exploring mathematics with Mathematica

By Theodore W. Gray

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The Beginner's Guide to Mathematica (R) Version 3

By Theodore W. Gray, Jerry Glynn

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The elements

By Theodore W. Gray

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The elements are what we - and everything around us - are made of. But how many elements have you seen in their pure, raw, uncombined form? This book presents photographic representations of the 11...

Molecules

By Theodore W. Gray

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"Everything physical is made up of the elements and the infinite variety of molecules they form when they combine with each other. In [this book], Gray takes the next step in the grand story that b...

Los elementos The Elements

By Theodore W. Gray

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Beginning Guide to Mathematica Mathematica Quick Reference and Spreadsheet Physics Bundle for the University of Houston

By Theodore W. Gray

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Mathemtca Quik Ref Begnn

By Theodore W. Gray, Nancy Blackman, Jerry Glynn

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Reactions

By Theodore W. Gray

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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.