Artifact Details

Title

Napier - Bones

Catalog Number

102657573

Type

Still Image

Publisher

University of Edinburgh

Dimensions

30 x 20 in.

Format

Photographic print

Description

Black text on yellow background.
Describes how to use Napier's Bones. Contains a drawing of Pepy with a quote from his diary..
Shows an example of how to multiply two numbers using the device.

Napier's Bones
In his book "Rabdologiae libri duo:. Napier described three methods for abbreviating the
multiplication of large nujbers "for those who prefer to work with natural numbers. .....
EXAMPLE To multiply 365 x 293

Category

Poster

Lot Number

X3379.2006