False position method Moroccan origin. Leonardo of Pisa (Fibonacci) devoted Chapter 13 of his book "Liber Abaci" (AD 1202) to explaining and demonstrating the uses of double false position, terming the method "regulis elchatayn" after the "al-khaṭāʾayn" method that he had learned from Arab sources. In 1494, Pacioli used the term "el cataym" in his book "Summa de arithmetica", probably taking the term from Fibonacci. Other European writers would follow Pacioli and sometimes provided a translation into Latin or the vernacular. For instance, Tartaglia translates the latinized version of Pacioli's term into the vernacular "false positions" in 1556. Pacioli's term nearly disappeared in
Sam George (soccer) coached youth soccer. Sam is married to Elizabeth George and they have four daughters together. Machaela the oldest currently attends Santa Clara University and plays soccer there. Gwyneth attends UCLA and runs track and field. Faith plays soccer for So Cal Blues and the youngest daughter is a baby. Sam George (soccer) Sam George (born June 29, 1970 in Mission Viejo, California) is a retired American soccer midfielder who played two seasons in the Western Soccer Alliance, three in the Continental Indoor Soccer League and four in Major League Soccer. George grew up playing soccer with the North Huntington Beach