deaths
Pietro Cataldi, Italian mathematician and astronomer (born 1548)
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Pietro Cataldi
Italian mathematician (1548–1626)
Pietro Antonio Cataldi was an Italian mathematician. A citizen of Bologna, he taught mathematics and astronomy and also worked on military problems. His work included the development of simple continued fractions and a method for their representation. He was one of many…Source: Wikipedia (CC BY-SA)
February 11
Day of the year
February 11 is the 42nd day of the year in the Gregorian calendar; 323 days remain until the end of the year.Source: Wikipedia (CC BY-SA)