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
Cassandra Dimovski Cassandra Dimovski Cassandra Dimovski (born 27 December 1993) is an Australian football (soccer) goalkeeper who most recently played for the Melbourne Victory in the W-League, the top division of women's soccer in Australia. Dimovski was raised in Lower Plenty, a suburb of Melbourne, Victoria where she attended Templestowe College. At age 14, she was scouted by a teacher to play for club team Eltham Redbacks. Originally playing as a midfielder, she changed to the goalkeeper position. Dimovski also played for club team Box Hill Inter where she played with Matildas goalkeeper and captain Melissa Barbieri. Primarily playing for the Melbourne