W. P. Petersen Books

Introduction to Parallel Computing: A Practical Guide with Examples in C

By W. P. Petersen

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Introduction to Parallel Computing (Oxford Texts in Applied and Engineering Mathematics): A Practical Guide with Examples in C

By W.P PETERSON

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Meditation made easy

By W. P. Petersen

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Discusses the techniques and benefits of meditation, a state of consciousness known as "deep rest." Also suggests exercises designed to help beginners enter this state.

Introduction to Parallel Computing

By Wesley Petersen, Peter Arbenz

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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.