I just read Fibonacci's Liber Abaci (from 1202). I think I'm not too far off the mark if I say Lisp in our day is what the Indian numeral system was in Fibonacc

I just read Fibonacci's Liber Abaci (from 1202). I think I'm not too far off the mark if I say Lisp in our day is what the Indian numeral system was in Fibonacci's day. A new writing system that has significant practical advantages.