Napier's abacus

Napier's abacus

Разработчик Bonaventura Novellino

Пакет:

napier.abacus.zero

Загрузки:

1K

Размер:

164 KB

Требуемая версия android:

2.0 или более поздняя

Обновлено:

14 июня 2018

10

Последняя версия:

1.0

Возраст:

Для всех

Бесплатно Скачать

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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