Learn To Count And Calculate With An ABACUS
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http://www.dnafont.com |
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Please
Click The Beads To Do Practice
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Email:abacus@126.com | ||
| The Shengtian KEY ABACUS is very different from the traditional abacus, it has flip-flop keys instead of beads, and has their colored display on them, could establish the brain image quickly. it can be used in any angle, and has a new direct reset bar. . | One bead under the divisional bar equals "1", the upper one equals "5", by push or pull the bead, we can Count and Calculate the numbers easily, it's showing a Traditional Chinese Abacus with number displayed on the bar for the beginners. |
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Virtual
Abacus, Version: 1.010601 Designed By Fu
Xiaoyou, Down Load
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It's
Better To View At 800x600, IE 5.0+ With Full Screen Mode, Please Press
F11 Key
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The Virtual Abacus Can Be Ordered By Customers, For Different Digits, Colors, Number Display On/Off, etc. $9USD Each.
ABACUS BASED MENTAL ARITHMETIC
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