A page of the Liber Abaci. The list on the right shows the Fibonacci sequence: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377. The 2, 8, and 9 resemble Arabic numerals more than Eastern Arabic numerals or Indian numerals.
A German manuscript page teaching use of Arabic numerals (Talhoffer Thott, 1459), presented together with the Hebrew alphabet and astrology