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This Super Mega Abacus / world's number 1 longest abacus measuring 88 meters 1.5 cm long is constructed by Ms Phyilly Wong, Ms Yen Chiu Jung Amanda...
109 views
Fews hundred year ago, the abacus have 2 upper beads and 5 lower beads, it
then tranform into 1 upper beads and 4 lower beads which is commonly use...
719 views
1,200 views
Soroban Education Centre has been providing abacus mental calculation
enrichment classes for primary school children since 1993. Our centre is
regi...
977 views
Soroban Education Centre has been providing abacus mental calculation enrichment classes for primary school children since 1993. Our centre is regi...
1,041 views
People who have seen Ms Phyilly Wong's self-made abacuses would not have imagined that the materials she used could be transformed into such creati...
1,465 views
823 views