Could anyone tell me what the term is for the following description:
A few pillars in a frame of colour beads for teaching small children of mathematical calculation?
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Could anyone tell me what the term is for the following description:
A few pillars in a frame of colour beads for teaching small children of mathematical calculation?
Can it be abacus? That one; http://www.kidestore.co.uk/images/im...oug_abacus.jpg
(I am neither a NES, nor a teacher)