abacuses
/ˈabəkəs/
noun
A simple device for calculating, consisting of a frame with rows of wires or grooves along which beads are slid.
An abacus with 5 beads per wire will do quite nicely.
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noun
A simple device for calculating, consisting of a frame with rows of wires or grooves along which beads are slid.
An abacus with 5 beads per wire will do quite nicely.
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