This abacus was created by John Napier of Merchiston in 1617 for calculation of products and quotients of numbers. The method was based on Arab mathematics and the lattice multiplication. Using the multiplication tables embedded in the rods, multiplication can be reduced to addition operations and division to subtractions.
Bonaventura Novellino created the app that lies within the Educational category. The most recent update of the tool was launched on Jun 14, 2018 and Napier's abacus has been set up by over 1K users. Google Play displays that this application is rated 3.8 by its users.
Get the installation package of Napier's abacus 1.0 that is provided for free and have a look at users' reviews on Droid Informer. The app is designed for Android 2.0 and above. This download is completely secure.
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