The Alfonsine Tables became the main computing tool for astronomers for about
250 years, from their compilation in Toledo ca. 1272 to the edition in 1551 of
new tables based on Copernicuss astronomical models. It consisted of a set of
astronomical tables which, over time, was presented in many different formats.
Giovanni Bianchini (d. after 1469), an astronomer active in Ferrara, Italy, was
among the few scholars of that extended period to compile a coherent and
insightful set based on the Alfonsine Tables. His tables, described and
analyzed here for the first time, played a remarkable role in the transmission
of the Alfonsine Tables and in their transition from manuscript to print.
