Date: May 25th 2007

Digital Classroom Resources: Napier’s Bones [Macromedia Flash Player]
http://mathdl.maa.org/mathDL/3/?pa=content&sa=viewDocument&nodeId=1514

The Mathematical Association of America has teamed up the National Science Foundation to create an online collection of digital classroom resources. One of their more recent creations is this multimedia feature that teaches students about Napier’s Bones. Created by Michael Caulfield and Wayne Anderson of Gannon University, this feature will introduce students to the work of John Napier, a 16th century mathematician who created a procedure for multiplication using sticks or bones. In this presentation, visitors can watch a step-by-step demonstration of this technique and then also enter any two factors of up to six digits each in order to create their own animation of this method. It is a nice way to get students thinking about this rather intriguing way to multiply, and the site also contains several links to other sites about John Napier and his bones.


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