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Fifteenth-century French mathematician.In his treatise on arithmetic and algebra Triparty en la science des nombres., which was written in 1484 and published in Rome in 1881, Chuquet introduced negative and zero exponents. Chuquet’s notation is close to modern usage ( see MATHEMATICAL SYMBOLS)...

... . The first part, called the "Triparty," was a treatise on algebra and contained the first use of the radical sign with an index (such as the number 3, indicating a cube root); the second part contained the statement of, and the replies to, a set of 156 mathematical problems.