Syntax sugar also slows down the REPL experimenting way of "growing" J scripts. Yes, it's harder to read... You can combine wise naming scheme with good use of

Syntax sugar also slows down the REPL experimenting way of "growing" J scripts. Yes, it's harder to read... You can combine wise naming scheme with good use of spaces - and also short lines, which anyway carry a lot of work - to make programs more readable. Comments are also available :) - in fact, I found that J really encourages the literate programming style. As they say, "in APL you solve a problem in 5 minutes, then spend an hour trying to write a most elegant and short solution". Indeed.