Rafello Bombelli was the last of a long line of Italian algebraists who contributed to the theory of equations during the Renaissance. He was the first to develop a consistent theory of imaginary numbers which included the rules for the four operations...

1526-1573 Italian Mathematician The career of Italian algebraist Rafaello Bombelli helped bridge the late Renaissance and the early period of the Enlightenment. The last among many Italian mathematicians who contributed to a developing theory of...

Rafael Bombelli (1526–1572) was an Italian mathematician. Born in Bologna, he is the author of a treatise on algebra and is a central figure in the understanding of imaginary numbers. Bombelli used a method related to continued fractions to calculate...