David Allen Thomas Books

Children, Teachers, And Mathematics

By David A. Thomas, David Allen Thomas, Thomas, David A.

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This text provides an overview of the teaching of mathematics in America today. It includes practical suggestions as to how educators and parents can utilize resources to meet the challenges of the...

Teenagers, Teachers, And Mathematics

By David A. Thomas, David Allen Thomas, Thomas, David A., Alan Kibbe Gaynor, Jane L. Evanson, Alan K. Gaynor

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Math Projects In The Computer Age

By David A. Thomas, David Allen Thomas, Thomas, David A.

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This book offers many fascinating projects in fractal geometry matrix algebra, mathematical friezes, and graph theory complete with lucid explanations of the concepts. The author helps students tak...

Active Geometry

By David A. Thomas, David Allen Thomas, Thomas, David A.

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Written by a nationally known mathematics educator, this lab manual provides activities for students using free/shareware software tools. Active Geometry offers inquiry-based, student-centered, tec...

Modern Geometry

By David A. Thomas, David Allen Thomas

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MODERN GEOMETRY was written to provide undergraduate and graduate level mathematics education students with an introduction to both Euclidean and non-Euclidean geometries, appropriate to their need...

Ceda 1991: 20th Anniversary Assessment Conference Proceedings : A Publication Of The Cross Examination Debate Association

By Stephen C. Wood, Cross Examination Debate Association, David Allen Thomas, Ceda

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Successful Business Speaking

By David Allen Thomas

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Advanced Debate: Readings In Theory, Practice & Teaching

By David A. Thomas, David Allen Thomas

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Advanced Debate : Readings In Theory, Practice, And Teaching

By Mcgraw-Hill, David Allen Thomas

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Basic Debate

By Maridell Fryar, Lynn Goodnight, David Allen Thomas, Maridell Fryar, David A. Thomas, Lynn Goodnight, Consulting Editor, Carmendale Fernandes

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xii, 308 p. : 24 cm Bibliography: p. [300]-304 Includes index

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.