Rolf Herken Books

The Universal Turing Machine: A Half-Century Survey

By Rolf Herken

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Programming Mental Ray Mental Ray Handbooks mental ray R Handbooks

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The Universal Turing Machine A Half Century Survey

By Rolf Herken

Average: 0.00, 0 Ratings

"On Computable Numbers, with an Application to the Entscheidungsproblem", Alan Turing's paper of 1937, contained his thesis that every effective computation can be programmed on such an automation...

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.