Nowadays, abacus is very popular in Asia. This ability comes from an image in mind. Using abacus instead of calculator to calculate can train the intelligence and thinking of children.

現今珠心算在亞洲是非常流行。它需要孩童運用腦筋去想像才能算出答案，所以這是訓練小朋友智力及聯想的好機會。