Four-Point ConicsAnimationDocumentary50Four-Point Conics50AnimationDocumentarythumb_upthumb_downFour-Point ConicsJanuary 1, 1961Directed byTrevor FletcherAn experimental mathematics film designed to elucidate the study of four-line conics.CAmathematicsgeometryeducational Last Updated: December 8, 2025 Request Update Cast Image Gallery RecommendedHjärtrud - the Woman of Your LifePandaThe ReturnScooby-Doo! and the Monster of MexicoScooby-Doo! Meets the Boo BrothersThe Symphony of Haruhi SuzumiyaHunter × Hunter PilotScooby-Doo! Abracadabra-DooYu Yu Hakusho: Eizou HakushoWhat's New, Scooby-Doo? Vol. 5: Sports SpooktacularWhat's New Scooby-Doo? Vol. 3: Halloween Boos and CluesSlugTerra: Return of the ElementalsScooby-Doo's Spookiest TalesRoad of No ReturnScooby-Doo! and the Safari Creatures