Napier's bones

Noun

 * 1)  A set of numbered rods used for multiplication and division (see the Wikipedia article for a fuller explanation).

Translations

 * Armenian:
 * Catalan: àbac neperià
 * Finnish: Napierin luut
 * Georgian:
 * German: Napiersche Rechenstäbchen
 * Greek: οστά του Νάπιερ
 * Hungarian: Napier-csontok
 * Irish: slata Napier
 * Russian: па́лочки Не́пера, не́перовы па́лочки
 * Spanish: ábaco neperiano