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) ceremony designed to heal Horus of a mortal wound, he is shown a vision of the far future, in which the Emperor is worshiped as a god, and Horus and the other Primarchs are forgotten (The irony being the Heresy is what leads to this future). As the Emperor's primary edict is to stamp out religion in all forms, Horus sees this as the ultimate betrayal. Though another Primarch, his brother Magnus, tries to reach the Emperor by psychic projection and warn him of Horus' treachery during his trance like state, the corruption spreads and prevents Horus from accepting his