False position method ibn Luqa (10th century), an Arab mathematician from Baalbek, Lebanon. He justified the technique by a formal, Euclidean-style geometric proof. Within the tradition of medieval Muslim mathematics, double false position was known as "hisāb al-khaṭāʾayn" ("reckoning by two errors"). It was used for centuries to solve practical problems such as commercial and juridical questions (estate partitions according to rules of Quranic inheritance), as well as purely recreational problems. The algorithm was often memorized with the aid of mnemonics, such as a verse attributed to Ibn al-Yasamin and balance-scale diagrams explained by al-Hassar and Ibn al-Banna, all three being mathematicians of
Lucas Mendes (soccer) Lucas Mendes (soccer) Lucas Mendes (born December 29, 1997) is an American soccer player who currently plays for FC Baltimore in the NPSL. Mendes is usually employed as a winger, but can be used as a striker or a central midfielder. Mendes won Gatorade Player of the Year award for boys' soccer in 2016. The award is a national-recognized award given to the best high school athlete in the nation. Mendes won the award while playing for Washington-Lee High School in Arlington, Virginia. Outside of playing for the Washington-Lee Generals boys' soccer team, Mendes also played for the D.C. United