There he wrote a number of important texts which played an important role in reviving ancient mathematical skills and he made significant contributions of his own. Fibonacci lived in the days before printing, so his books were hand written and the only way to have a copy of one of his books was to have another hand-written copy made.
Mayroong wrote siya ng isang numero ng mahalagang teksto na kung saan maririnig ng isang mahalagang papel sa reviving sinaunang matematiko kakayahan at siya ginawa ng makabuluhang kontribusyon ng kanyang sarili. Fibonacci nanirahan sa araw bago i-print, kaya ang kanyang mga libro ay kamay na nakasulat at ang tanging paraan upang magkaroon ng isang kopya ng isa sa kanyang mga libro ay upang magkaroon ng isa pang kamay-nakasulat na kopya ginawa.