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
Four sons of Horus worship the dead person, and his name means literally "he who worships his mother". In the Coffin Texts Horus calls upon him, "Come and worship my father N for me, just as you went that you might worship my mother Isis in your name Duamutef." Isis had a dual role. Not only was she the wife of Osiris and the mother of Horus, but she was also the consort of Horus the Elder and thus the mother of the sons of Horus. This ambiguity is added to when Duamutef calls Osiris, rather than Horus his father, although kinship terms were