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The golden ratio was first recorded and defined in written form around 300 B.C. by the Greek mathematician Euclid in his major work "Elements." It is believed that the ancient Greeks may have used the golden ratio to det... More »

www.reference.com Math Numbers

The golden ratio in mathematics is the irrational number (1 + sqrt 5)/2. A decimal approximation of the number is 1.618. The German astronomer Johannes Kepler and his contemporaries were the first to call it the golden r... More »

www.reference.com Math Numbers

The golden ratio is often used to provide pleasing composition in art, architecture and design. The Great Pyramid of Giza, the Parthenon and many of the paintings created by Leonardo da Vinci are among the most famous ex... More »

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Greek mathematician Heron of Alexandria is credited with having first conceived of imaginary numbers about the time of Christ, but it was Rafael Bombelli who first described the rules for the use of complex numbers in th... More »

www.reference.com Math Numbers

The golden ratio in mathematics is the irrational number (1 + sqrt 5)/2. A decimal approximation of the number is 1.618. The German astronomer Johannes Kepler and his contemporaries were the first to call it the golden r... More »

www.reference.com Math Numbers

Aristarchus was a Greek astronomer and mathematician who lived from 310 B.C. until 230 B.C. He is perhaps best known for advancing the idea that the Sun, not the Earth, was at the center of known universe. More »

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Fibonacci was an Italian mathematician who lived from about 1170 to 1240. He was born in the city of Pisa, and many historians believe he died there as well. Many historians and mathematicians characterize Fibonacci as o... More »

www.reference.com Math Numbers