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Evaluation of Memory in Abacus Learners “Use of abacus requires the coordination of sight, sound and finger movements which induces…
13TH SIP ACADEMY ABACUS AND MENTAL ARITHMETIC INTERNATIONAL PRODIGY COMPETITION 2013
We are excited to announce SEMPOA SIP International Competition 2012 will be held in Bandung, Indonesiaon 2nd July 2012 (Monday). We look forward to…
On the Theory of Mental Arithmetic By Image of Zhusuan The abacus, invented in china, is a valuable scientific and cultural heritage left over by…
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