Hugh C. Williams Books

Advances in Cryptology

By Hugh C. Williams, CRYPTO Conference 1985 Santa Barbara Calif., CRYPTO 85 1985 University Of California Santa Barbara

Average: 0.00, 0 Ratings

Solving the Pell Equation

By Hugh C. Williams, Michael J. Jr Jacobson

Average: 0.00, 0 Ratings

Edouard Lucas and Primality Testing

By Hugh C. Williams

Average: 0.00, 0 Ratings

"This volume consists of a selection of papers based on presentations made at the international conference on number theory held in honor of Hugh Williams' sixtieth birthday. The papers address top...

Cubic Fields with Geometry

By Hugh C. Williams, Samuel A. Hambleton

Average: 0.00, 0 Ratings

Computational Number Theory

By Colloquium On Computational Number Theory 1989 Kossuth Lajos University

Average: 0.00, 0 Ratings

Advances in Cryptology

By Hugh C. Williams

Average: 0.00, 0 Ratings

Edouard Lucas and Primality Testing

By Hugh C. Williams

Average: 0.00, 0 Ratings

Edouard Lucas and Primality Testing

By Hugh C. Williams

Average: 0.00, 0 Ratings

Lucas Sequences

By Christian J. C Ballot, Hugh C. Williams

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.