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How to Use an Abacus (with Pictures) - wikiHow
The abacus should have 3 beads up in the farthest column left, four up in the next farthest, a blank column, a column with one bead up, two beads up in the next, and another blank column The rest of the columns are open 2 Multiply by alternating columns The order here is critical You need to multiply the first column by the first column