Well, numbers in Arabic are another thing.
Our numbers are still from the arabic principle that every value has a sign with as many angles in it. Also called arabic afaik. Are the numbers from your picture early ones or used all the time during the arabic "enlightment"?
Those numbers are used today. See Egypt for example: (license plate)
(European numbers today descended from west arabic)
Yes, that's right. I was just being difficult ;) I guess the alternative would be to teach Roman Numerals.