Xah Math Blog Archive 2014-02 to 2014-02
Math Valentines Heart = Cardioid
every Valentines Day ♥ ♥ ♥ is the day to post the cardioid curve, because cardioid means heart-shaped.
more about Cardioid at Cardioid
if you search the web, you'll find 3D equations for 3D heart ♥ (that is a polynomial of 3rd degree who's level set is like a heart-shaped foil balloon)
What Does Bagua, Taichi Mean? Bagua, the Trigrams, as Binary System
what does bagua, taichi mean? Bagua, the trigrams, as binary system ☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷
this is Chinese metaphysics.
exercise: look at South Korean flag. It has 4 of the 8 trigrams. Find a description of why those 4.
co-inventor of calculus, Gottfried Leibniz, also as the father of computer, said that “hexagrams a base for claiming the universality of the binary numeral system.”. Why?
Great Math Software (old collection)
Graphing Software for Microsoft Windows (update on plotting software for Microsoft Windows)
Ask me question on patreon