Sydney N. Afriat Books

Logic of Choice and Economic Theory

By S. N. Afriat

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Linear Dependence

By Sydney N. Afriat, S. N. Afriat

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The price index and its extension

By S. N. Afriat, S.N AFRAIT

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Demand functions and the Slutsky matrix

By S. N. Afriat

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Linear Dependence

By Sydney N.Afriat

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Deals with the most basic notion of linear algebra, to bring emphasis on approaches to the topic serving at the elementary level and more broadly. A typical feature is where computational algorithm...

Price Index and Its Extension

By Sydney N. Afriat

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Market

By Sydney N. Afriat

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Price Index and Its Extension

By Sydney N. Afriat

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Market

By Sydney N. Afriat

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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.