HomeHacker News Show HN: Season's greetings from Attractor, a fractal graphing calculator https://ift.tt/3mw88Xn byHat hair -December 18, 2020 0 Show HN: Season's greetings from Attractor, a fractal graphing calculator https://ift.tt/2K80Goh December 18, 2020 at 11:02PM Tags: Hacker News Facebook Twitter