SmartBrainAmerica.com
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Welcome to Smart Brain America Inc.
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Excerpted from the website:
- The Abacus has been in use for thousands of years in many different cultures. As expected, the Abacus has seen a variety of iterations since its inception in Greece all the way down to the Orient. During these times, these same cultures have continued to use this instrument as a general means for mathematical calculation. However, in recent times, the Abacus has been discovered as a profound educational tool and one that is unlike any other in its simplicity, ease of use, portability, and effectiveness.
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