False position method lines on a conic section. A more typical example is this "joint purchase" problem: Now an item is purchased jointly; everyone contributes 8 [coins], the excess is 3; everyone contributes 7, the deficit is 4. Tell: The number of people, the item price, what is each? Answer: 7 people, item price 53. Between the 9th and 10th centuries, the Egyptian mathematician Abu Kamil wrote a now-lost treatise on the use of double false position, known as the "Book of the Two Errors" ("Kitāb al-khaṭāʾayn"). The oldest surviving writing on double false position from the Middle East is that of Qusta
History of soccer in the United States 1924 when USFA created the National Amateur Cup. That spelled the death knell for the American Cup. It played its last season in 1924. Towards the end of the 1920s, a period in American soccer known as the "American Soccer Wars" ignited. The Soccer Wars regarded the internal conflicts with the American Soccer League and their affiliated clubs participating in the National Challenge Cup. The debate involved whether the United States Football Association or the American Soccer League was the true chief organization of American soccer at the time, and consequently wrecked the reputation and possibly even the popularity of