>> Yes. The paper specifically mentions this, and how it breaks the
>> spreadsheet model by making each cell's value time-dependent.
>>
>> (They referred to it as a "dangerous feature". I'm not sure I'd go that
>> far, but...)
>>
>> Usually you use this because you expect the values involved to converge
>> to some kind of fixed-point after a few iterations. If that actually
>> turns out to be true, then time-dependent behaviour isn't such a big
>> deal.
>
> I think at some point in the past I actually wrote a simple cpu
> instruction decoder and emulator in Excel. If you set "iterations" to 1
> each time you hit refresh it would increment the program counter, read
> and decode the instruction it pointed to and update registers etc. Was a
> pretty awesome abuse of Excel :-)
>
This is, IMHO, the most awesome abuse of Excel.

WARNING: ontopicness ahead!

http://www.gamasutra.com/view/feature/3563/microsoft_excel_revolutionary_3d_.php

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