Paulus Gerdes Books

Women, art and geometry in Southern Africa

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The main objective of the book is to call attention to some mathematical ideas incorporated in the patterns invented by women in Southern Africa. An appreciation of these mathematical traditions ma...

Women, art and geometry in Southern Africa

By Paulus Gerdes

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Geometry from Africa Classroom Resource Materials

By Paulus Gerdes

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Marx demystifies calculus

By Paulus Gerdes

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Marx demystifies calculus

By Paulus Gerdes

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Awakening of Geometrical Thought in Early Culture

By Paulus Gerdes

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History Of Mathematics In Africa

By Paulus Gerdes, Ahmed Djebbar

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African Doctorates in Mathematics. A Catalogue

By Paulus Gerdes

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Doctoral Theses by Mozambicans and about Mozambique

By Paulus Gerdes

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Drawings from Angola

By Paulus Gerdes

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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.