T.J., Thank you for the extraordinary help - your script worked right off the bat! The only thing I'm struggling with right now is the fact that the cells I want to calculate are not just numbers but <form> elements. So, cell.innerHTML is something like <input id="grade1" value="20"> instead of "20". I've tried multiple things to coerce the value out of the cell but so far have not had much luck. Any hints?
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