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To your care and recommendation am I indebted for having replaced a half-blind mathematician with a mathematician with both eyes, which will especially please the anatomical members of my Academy.
In D. M. Burton, Elementary Number Theory, Boston: Allyn and Bacon, Inc., 1976.
Opus Arithmetica of Honoratus
An example of galley division from an unpublished 16th century manuscript, Opus Arithmetica D. Honorati veneti monachj coenobij S. Lauretij. Honoratus was a Venetian monk, and the manuscript was written in the second half of the 16th century. But the manuscript was copied by a pupil, probably also a monk, who also did the illustrations. His computation “explodes” against a skyline of Venice. An observer raises his hands in amazement at the result. The computation divides 965347653446 by 6543218 and obtains as the answer 147534. This document is Plimpton MS 227, f. 14v.