Li Jigeng’s “Mysterious Altar Calculus” (Special Training Lecture Notes on Metaphysics and Fengshui)

Wang Rongjun’s “Seven Politics and Four Remains Calculus Example Explanation” Full HD Version

Lin Gengfan “Illustrated Taoist Astronomy, Calendar and Calculus-Ziwei Doushu Volume 2 Reasoning Volume”

Lin Gengfan “Illustrated Taoist Astronomy and Calculus-Ziwei Doushu Volume 1 Numerology Volume”

PDF Diagram#道#教#天#文历定学 2 Parts · Full Diagram Taoist Astronomy, Calendar and Calculus: Ziwei Doushu

Kong Richanghe’s Method of Calculus Derivation