Eye of Horus fractions were written as the sum of two or more unit fractions (a fraction with 1 as the numerator), with scribes possessing tables of answers (see Rhind Mathematical Papyrus 2/n table). Thus instead of , one would write + . Different parts of the Eye of Horus were thought to be used by the ancient Egyptians to represent one divided by the first six powers of two: The Rhind Mathematical Papyrus contains tables of "Horus Eye Fractions". Studies from the 1970s to this day in Egyptian mathematics have clearly shown this theory was fallacious and Jim Ritter definitely showed it
Horus Heresy (fictional event) other authoritative sources are the "Horus Heresy" wargame environment (especially the associated rulebooks), and other expansions. "The Horus Heresy" is marketed as a sub-brand by Games Workshop, the Black Library (a Games Workshop publishing division), and Forge World, a modelling subsidiary. The associated product lines and related logos, places, names, devices and other components are copyrighted or trademarked. Games Workshop and affiliates have also released products that though not branded or classified as "Horus Heresy" items, are directly related to the fictional conflict or to specific facets of it. Illustrations and images from a variety of artists, about the conflict