Very cool. I had to code a Cells app in Java back in university, too. One thing though: add undo/redo to the Cell task as a requirement. After all, "a good par

Very cool. I had to code a Cells app in Java back in university, too. One thing though: add undo/redo to the Cell task as a requirement. After all, "a good paradigm should give you this functionality for free" :)