Orchid XP v8 wrote:
> Thinking about it, a button to swap the top two operands ought to fix 
> most problems you might have.

That's kind of what I was referring to, yes.

> I also anticipate that being able to somehow "inspect" the stack might 
> come in handy if you can't remember what you put on there already...

Yes. I expect such a thing might have been around on some of the 
calculators I remember seeing.

-- 
Darren New / San Diego, CA, USA (PST)

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