rabdology
Rab*dol"o*gy (-dol"o*jy), n. [Gr. "ra`bdos rod, stick + -logy: cf. F. rabdologie.] Defn: The method or art of performing arithmetical operations by means of Napier's bones. See Napier's bones. [Written also rhabdology.]
Rab*dol"o*gy (-dol"o*jy), n. [Gr. "ra`bdos rod, stick + -logy: cf. F. rabdologie.] Defn: The method or art of performing arithmetical operations by means of Napier's bones. See Napier's bones. [Written also rhabdology.]