Neil D. Jespersen Books

Overview: Updated to reflect the most recent Advanced Placement Chemistry exams, this manual presents three diagnostic tests and three full-length practice exams, all with questions answered and ex...

Barron s AP chemistry

By Neil D. Jespersen

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Reviews all subjects covered on the exam, presents study and test-taking tips, and provides three diagnostic and three practice tests.

AP chemistry

By Neil D. Jespersen

Average: 0.00, 0 Ratings

AP chemistry

By Neil D. Jespersen

Average: 0.00, 0 Ratings

How to prepare for the advanced placement examination.

By Neil D. Jespersen

Average: 0.00, 0 Ratings

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.