Numeration /(?)/

Nu·mer·a·tion

Numeration

n.
  1. The act or art of numbering.
    Numeration is but still the adding of one unit more, and giving to the whole a new name or sign.
  2. The act or art of reading numbers when expressed by means of numerals. The term is almost exclusively applied to the art of reading numbers written in the scale of tens, by the Arabic method.