NCI Blog

The 23rd day of November is a special day for those among us that have a passion for number sequences. It has been named ‘Fibonacci Day’ after the 12th century mathematician Leonardo Pisano, a member of the Bonacci family. In particular, the naming of the day is due to the representation of the day in mm-dd calendar notation form, in this case 11-23, which represents the first four digits of the famed Fibonacci sequence.