All posts tagged "abacus"
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games
/ 12 hours agoSoroban – HTML5 Educational game
WHAT IS AND HOW TO USE SOROBAN? The Soroban (or Japanese abacus), consists of a wooden frame, which holds columns of...
WHAT IS AND HOW TO USE SOROBAN? The Soroban (or Japanese abacus), consists of a wooden frame, which holds columns of...