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Napier's abacus

Napier's abacus

Napier's abacus

Entwickler Bonaventura Novellino

Paket:

napier.abacus.zero

Downloads:

1K

Größe:

164 KB

Erforderliche android-version::

2.0 oder höher

Aktualisiert:

14. Jun 2018

10

Letzte version:

1.0

Alter:

Jeder

Kostenlose Download

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.

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