For 30 lines of code it is indeed impressive. But I think it would of been more impressive at 40 or whatever it would of taken to have a couple error checks.

For 30 lines of code it is indeed impressive. But I think it would of been more impressive at 40 or whatever it would of taken to have a couple error checks. What I mean by this is if you enter an invalid formula say =() or =asdf in a cell it breaks all the valid formulas you enter after that cell making them display as text instead of a value when refreshed.