Title

Root Extraction by Al-Kashi and Stevin

Document Type

Article

Publication Date

5-2015

Abstract

In this paper, we study the extraction of roots as presented by Al-Kashi in his 1427 book “Key to Arithmetic” and Stevin in his 1585 book “Arithmetic”. In analyzing their methods, we note that Stevin’s technique contains some flaws that we amend to present a coherent algorithm. We then show that the underlying algorithm for the methods of both Al-Kashi and Stevin is the same.

Journal

Archive for History of Exact Sciences

Volume

69

Issue

3

First Page

291

Last Page

310

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