APL and friends blew my mind when I read about them. I remember thinking "You can do all that with just those characters? That's the same length as the word fun

APL and friends blew my mind when I read about them. I remember thinking "You can do all that with just those characters? That's the same length as the word function"! It's a good job I read this far down, I made a mental note to learn J but, as usual, forgot it by the time I got home. Thanks!