Posted on September 8, 2017 by geniusabacuskidsacademy
Abacus Math is not a new concept. Recent discoveries shows that the earliest form of Abacus was found in Salamis Islands. They are considered to be the ancestors of abacus. After that around 3000 BC China developed Abacus. They make…
Category: Abacus, latest Article
Tags: abacus invention, Abacus Math, earliest form, recent discoveries, salamis islands, slates/boards
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