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Saltire Team uploaded a new app: Abacus Clock 7 years, 7 months ago
It has been brought to our attention that this clock is, in some sense, upside down! The 5’s beads in the top section are going up to indicate 5, instead of down. To get the conventional Abacus model, go to the Abacus Corrected in this collection: http://euclidsmuse.com/app?id=1016.
