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 Sa dynasty kings, in particular Khasekhemwy. Alternatively, the Egyptologist Joris van Wetering proposed that the gallery tomb used by the high priest of Aten, Meryra-Meryneith, in north Saqqara was originally that of Horus Sa, since an inscription "Ḥwt-k3 Ḥrw-z3" was found in the close vicinity of the tomb. Horus Sa Horus Sa (also Horus Za, Sa and Za) was a possible early Egyptian pharaoh who may have reigned during the 2nd or 3rd dynasty of Egypt. His existence is disputed, as is the meaning of the artifacts that have been interpreted as confirming his existence. Horus Sa is known from vessel