Egyptian fraction have been called "Horus-Eye fractions" after a theory (now discredited) that they were based on the parts of the Eye of Horus symbol. They were used in the Middle Kingdom in conjunction with the later notation for Egyptian fractions to subdivide a hekat, the primary ancient Egyptian volume measure for grain, bread, and other small quantities of volume, as described in the Akhmim Wooden Tablet. If any remainder was left after expressing a quantity in Eye of Horus fractions of a hekat, the remainder was written using the usual Egyptian fraction notation as multiples of a "ro", a unit equal
Horus name is intriguing, because normally the Horus falcon and the hieroglyphs inside the serekh were out of reach and independent of one another. The motive and deeper meaning of Aha's serekh are unknown. The third examples of unusual serekhs are those of several queens, including the serekh of queen Meritneith. For a long time it was believed by scholars that the royal title of a serekh was reserved for male rulers only. For this reason, it was long thought that Meritneith was a man, until mud seal impressions revealed the female title "mwt nesw" ("mother of (the) king"). The tomb stela