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 Heresy (fictional event) significant development was initial release of the "Horus Heresy" miniatures wargame expansion. This in effect repositioned the concept as a foreground element within the main "Warhammer 40,000" gaming system, thereby extending the related universe's active setting to the Horus Heresy era. In February 2013 the first Heresy-specific event, the 2-day Horus Heresy Weekender, was announced. In addition to regular edition products, releases include special editions such as anniversary editions, collector's editions, web exclusives, and bundle offers. However some components, including the majority of pre-"Horus Heresy" book series products or works, may be out of print, discontinued, or obsolete, and generally