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 Bird (Pharaoh) commonly accepted, the presence of Horus-Bird serekh in the tomb of Qa'a pointing rather to an interregnum with Horus-Bird between the first and second dynasties. Horus-Bird's burial site is unknown. Horus Bird (Pharaoh) Horus Bird, also known as Horus-Ba, is the serekh-name of a pharaoh who may have had a very short reign between the 1st dynasty and 2nd dynasty of Egypt. There are very few reliable name sources for Horus-Bird. The first known attestation of this king may be a serekh with an undetailed bird found by F. Petrie in the tomb of Qa'a at Abydos. Another more legible