Leonardo da Pisa


Leonardo da Pisa:

see Fibonacci, LeonardoFibonacci, Leonardo
, b. c.1170, d. after 1240, Italian mathematician, known also as Leonardo da Pisa. In Liber abaci (1202, 2d ed. 1228), for centuries a standard work on algebra and arithmetic, he advocated the adoption of Arabic notation.
..... Click the link for more information.
.