Robert Weberg Books

Special Edition Using OS-2 Lotus SmartSuite

By Robert L. Weberg, Robert Weberg, Derek S. Anderson, Andy Schafaran

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Special Edition Using Lotus Smartsuite For Windows 95

By Dan Gastieger, Robert Weberg, Andy Shafran

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Using Lotus Notes 4 (Using ... (Que))

By Mark Williams, Cate Richards, Robert Weberg, David Hatter, David Medinets, Mick Baitinger, Karl Wapst, Jr. Paolino Frank T., Cate Richards, Mark Williams, David Hatter, David Medinets, Robert Weberg, Mick Baitinger, Frank T., Jr. Paolino, Karl Wapst, Frank T., Jr. Paolino

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This comprehensive coverage of the new version of Lotus Notes includes Tips, Notes, Cautions and Troubleshooting Q&As. The extensive index helps readers find information quickly and cross-indexing...

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.