Leonard F. Klosinski Books

William Lowell Putnam Mathematical Competition 1965 1984

By Gerald L. Alexanderson

Average: 0.00, 0 Ratings

The William Lowell Putnam Mathematical Competition

Average: 0.00, 0 Ratings

Is mathematics inevitable

By Leonard F. Klosinski

Average: 0.00, 0 Ratings

This is a collection of gems from the literature of mathematics that shine as brightly today as when they first appeared in print - they deserve to be seen and admired. The selections include two o...

William Lowell Putnam Mathematical Competition

By Leonard F. Klosinski, Loren C. Larson, Gerald L. Alexanderson

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.