What software/language/platform was used for this creation? https://www.youtube.com/embed/rLyHRgOE9ao
Hard to point out specifics from just a single video. But, it was made largely in the same way we create pencils... BTW, happy new year!
From this https://www.facebook.com/watch/?v=2649891055231891 It might have been done with https://www.geogebra.org/?lang=en
try https://www.manim.community/awesome/ https://math.stackexchange.com/ques...gram-for-creating-educational-math-animations