Hans Niels Jahnke Books

A History of Analysis History of Mathematics V. 24

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"The authors present the history of analysis as near to the historical sources as is possible from the point of view of readability. The book includes comprehensive bibliographies, providing useful...

Traditions in German Speaking Mathematics Education Research

By Lisa Hefendehl Hebeker, Hans Niels Jahnke

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Explanation and Proof in Mathematics

By Helmut Pulte, Hans Niels Jahnke, Gila Hanna

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Explanation and Proof in Mathematics

By Helmut Pulte, Hans Niels Jahnke, Gila Hanna

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Traditions in German Speaking Mathematics Education Research

By Lisa Hefendehl Hebeker, Hans Niels Jahnke

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Traditions in German Speaking Mathematics Education Research

By Hans Niels Jahnke

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This open access book shares revealing insights into the development of mathematics education research in Germany from 1976 (ICME 3 in Karlsruhe) to 2016 (ICME 13 in Hamburg). How did mathematics e...

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.