Yep, this is a project out of the same world as Racket which does a similar thing. If you go into the editor/REPL (https://code.pyret.org/editor https://code.p

Yep, this is a project out of the same world as Racket which does a similar thing. If you go into the editor/REPL (https://code.pyret.org/editor https://code.pyret.org/editor) and enter 1/3, you'll see that it gets rendered as 0.3 repeating (with a bar, not some arbitrary rounding) or if you click on it, directly as 1/3.