Note 203 — BOOK II. (continued 2)

The abacus was a counting table: here it seems used metaphorically for arithmetic, Gerbert having written a treatise on arithmetic with that title. The authors of the Hist. Litt. de la France, t. vi. understand him literally, as stealing a book containing the principles of the science, and then confound this supposed book with the conjuring treatise mentioned below. They also seem very much displeased with Malmesbury for relating these tales of their countryman, and attribute them to cardinal Benno; but there is nothing of this kind in his work published by Goldastus, and in Brown’s Fasciculus, t. i.