Dorin Andrica Books

Quadratic Diophantine Equations Springer Monographs in Mathematics

By Dorin Andrica, Titu Andreescu

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An Introduction to Diophantine Equations

By Ion Cucurezeanu, Dorin Andrica, Titu Andreescu

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Complex Numbers from A to ... Z

By Dorin Andrica, Titu Andreescu

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Complex Numbers from A to ...Z

By Dorin Andrica, Titu Andreescu

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Essential Linear Algebra With Applications

By Dorin Andrica, Titu Andreescu

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This textbook provides a rigorous introduction to linear algebra in addition to material suitable for a more advanced course while emphasizing the subject’s interactions with other topics in mathem...

Number Theory

By Dorin Andrica, Titu Andreescu

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104 Number Theory Problems

By Zuming Feng, Dorin Andrica, Titu Andreescu

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An introduction to diophantine equations

By Titu Andreescu

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"This problem-solving book is an introduction to the study of Diophantine equations, a class of equations in which only integer solutions are allowed. The material is organized in two parts: Part I...

An introduction to diophantine equations

By Titu Andreescu

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Differential and Integral Inequalities

By Dorin Andrica, Themistocles M. Rassias

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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.