释义 |
Sacrobosco, Johannes de Sacrobosco, Johannes de (yōhän`əs də săkrōbŏs`kō), or John of Hollywood, c.1200–1256, English mathematician and astronomer. He wrote several widely read and influential books: Algorismus, a study of arithmetic; a treatise on the calendar; and the most popular medieval introductory textbook on astronomy, the Tractatus de sphaera. |