App Detail » Abacus Complete

Published by: Dewen Liu

+ Universal App - Designed for iPhone and iPad

Price: $1.99
Current Version: 1.1
Released: March 08, 2011

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App Description

The abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes. Today, abaci are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal. The abacus was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere. The user of an abacus is called an abacist.Japanese abacus, Russian abacus,

There're many kinds of abacus produced in many different countries,such as Roman abacus, Chinese abacus,School abacus,etc.

This app collects several kinds of abacus and put them into a single app.

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