| Nevertheless, according to these mathematicians, people with her abilities do not grow on trees, or even abacuses. |
| The imported toys on show at the ongoing exhibition range from fighters, space-ships and battle-ships and building-blocks to abacuses. |
| I saw that in the Tokyo railway station, many of the ticket sellers actually use abacuses. |
| Abacus, plural abaci or abacuses, calculating device, probably of Babylonian origin, that was long important in commerce. |
| Dr Jones believes they may have counted using the horizontal abacuses prevalent in other European nations. |
| The abacuses all have different widths, obviously in order to connect the various heights of the columns, in order to put all the surfaces for the pointed arches on the same level. |
