The instructions for the "Alfonsine tables" were originally written in the Castilian Spanish, and the first printed edition of the "Alfonsine tables" appeared in 1483, with a second edition in 1491.
The instructions for the "Alfonsine tables" were originally written in the Castilian Spanish, Jose Chabas and Bernard R. Goldstein, "The Alfonsine Tables of Toledo" (Kluwer, 2003). The first printed edition of the "Alfonsine tables" appeared in 1483, with a second edition in 1491.