25–40), in which Finé, in the wake of Archimedes, analyzes two more questions related to the circle, contains some mistakes as well. 17–22) of (22+2/9)/7 (approximately 3,17), which is far beyond Archimedes's estimates of 3 10/71 < π < 3 10/70, well known also at that time. His construction only gives the appearance of working because he uses a (quite bad) approximation π (as becomes clear on pp. Not only the position of the treatise, but also the larger font used for it on the title page expresses the author's pride in his achievement. Within the volume, pride of place is given to The Squaring of the Circle Finally Discovered and Proved (pp. As befits his position as professor of mathematics at the Collège Royale, the booklet is nicely printed, features neat diagrams and instructive marginalia and is introduced by a royal privilege, a letter of dedication to Francis I and nine laudatory poems by friends and colleagues (including one to Finé's wife complimenting her on her prodigious husband). One of them was Oronce Finé, who in 1544 published a booklet in quarto containing a collection of short monographs discussing questions from mathematics, astronomy and mathematical geography. Planisphaerium geographicum, quo tum longitudinis atque latitudinis differentiae, tum directae locorum deprehenduntur elongationes, 1–40ĭe circuli quadratura tandem adinventa et demonstrata (Google Books)īefore the squaring of the circle with compass and ruler alone was proved impossible in 1882, many mathematicians tried their hand at this famous problem (see also De quadratura circuli). De invenienda longitudinis locorum differentia aliter quam per lunares eclipses, etiam dato quovis tempore, liber admodum singularis.
De multangularum omnium et regularium figurarum descriptione liber hactenus desideratus. De circuli mensura et ratione circumferentiae ad diametrum demonstrationes duae. Orontii Finaei Delphinatis, regii mathematicarum Lutetiae professoris, Quadratura circuli tandem inventa et clarissime demonstrata.
Orontii Finaei Delphinatis, regii mathematicarum Lutetiae professoris, De circuli quadratura tandem adinventa et demonstrata liber unus
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