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Calculate the number 566

NUMBERMANIA: Calculate the number 566 using numbers [5, 8, 3, 9, 11, 539] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 32

The first user who solved this task is Eugenio G. F. de Kereki.

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Baby, Maybe

On a visit to the zoo, a small 3 year old boy passes the stork exhibit and looks up at the birds intently.
As his family then moves on, he turns to his father and says, "Gee Daddy, they didn't even recognize me."

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James Joseph Sylvester

Died 15 Mar 1897 at age 82 (born 3 Sep 1814). British mathematician who, with Arthur Cayley, founded the theory of algebraic invariants, algebraic-equation coefficients that are unaltered when the coordinate axes are translated or rotated. Beginning in 1833, he studied at St John's College, Cambridge. However, at this time signing a religious oath to the Church of England was required to graduate. Being Jewish, he refused and so he did not graduate. He taught physics at the University of London (1838-41), one of the few places which did not bar him because of his religion. Sylvester did important work on matrix theory, in particular, to study higher dimensional geometry. In 1851 he discovered the discriminant of a cubic equation. Earlier in his life, he tutored Florence Nightingale.

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