Clicking through on the link that says "more discussion here" [1] the OP does at least explain the original problem with Excel that he was trying to address:
>Mesh was started because I couldn't find a way in Excel to output the results of a formula across an arbitrary number of cells. ...
This is definitely on the right lines.
But it's a very difficult problem, both from a UI design point of view and actually producing a performant implementation in Javascript.
Clicking through on the link that says "more discussion here" [1] the OP does at least explain the original problem with Excel that he was trying to address:
>Mesh was started because I couldn't find a way in Excel to output the results of a formula across an arbitrary number of cells. ...
This is definitely on the right lines.
But it's a very difficult problem, both from a UI design point of view and actually producing a performant implementation in Javascript.
[1] http://chrispsn.com/mesh-preview.html