English Pitch angle of a spiral Cited by user David Eppstein on 26 Nov 2023 In the geometry of spirals, the pitch angle or pitch of a spiral is the angle made by the spiral with a circle through one of its points, centered at the center of the…
English Hyperbolic spiral Cited by user David Eppstein on 25 Nov 2023 [[File:Hyperbol-spiral-1.svg|thumb|upright=1.2|Hyperbolic spiral: branch for.
French Spirale Cited by user HB on 06 Feb 2022 En géométrie plane, les spirales forment une famille de courbes d'allure similaire : une partie de la courbe semble s'approcher d'un point fixe tout en tournant autour…