https://en.m.wikibooks.org/wiki/Pictures_of_Julia_and_Mandelbrot_Sets/Quaternions https://en.m.wikibooks.org/wiki/Pictures_of_Julia_and_Mandel... There's a who

https://en.m.wikibooks.org/wiki/Pictures_of_Julia_and_Mandelbrot_Sets/Quaternions https://en.m.wikibooks.org/wiki/Pictures_of_Julia_and_Mandel... There's a whole world of this as well as iterating different functions.