Rabdology n. : The method or art of performing arithmetical operations by means of Napier's bones. See Napier's bones.

Example:


Taxonomy
Rabdology, treatise, logarithms, free encyclopedia, binary arithmetic, Location arithmetic, computing devices, Napier's bones, Latin, square roots, John Napier, rods, grid, binary form, promptuary, arithmetic calculations, Personal tools, search.

Defination from the web:
Rabdology. Napier's bones. Promptuary. Location arithmetic. Cover page of Rabdologiæ ... The computing devices in Rabdology were overshadowed by his seminal work on logarithms as they proved more useful and more widely applicable. ...