A very nice RPN calculator can be found at:
http://www.geocities.com/dbergis/freeware.htm

Get: Excalibur 32-bit for Windows 95/98/NT

I use this very frequently while programming pics.  It has a "Computer 
Science" mode that is quite useful for doing hex/decimal/binary math or 
conversions plus logic functions.  Plus physics, scientific, business, 
conversion, complex/vector, etc. modes.  And is programmable.

And of course, it has no equal.
MD

At 05:56 PM 10/21/04, you wrote:
>At 02:48 PM 10/21/2004, Ken Pergola wrote:
>
>>Syntrillium Software RPN Calculator (released circa 1998)
>>-----------------------------------
>>
>>Not sure how easy it is to find this one on the web since Adobe appears to
>>have acquired Syntrillium Software a while back, but I could upload this to
>>the PICList if no one objects to the 59 kilobyte file size.
>
><http://ware.netfirms.com/math.html> has a copy of the version I have 
>(1.4, I think).
>
>dwayne

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