算さん Noun English jmdict 1 noun (common) (futsuumeishi) divining sticks 2 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru counting;calculation
鶴亀算つるかめざん Noun English jmdict 1 noun (common) (futsuumeishi) obtaining the respective numbers of cranes and tortoises from the total of their heads and legs;calculating the values of two unknown quantities from their unit total and the total of one of their attributes