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Yes, I know, its not an HP.
I also know that people who loves HP models calls "Dark Side" to Texas Instruments.

Well, I readed about a wonderfull TI model in the 65-Notes Vol-3-NÂș-2 page 2.

Its a very very very unusual model.
I think is so rare that you can not find this model in www.datamath.org

Perhaps is more difficult to find than the TI-88 or HP XPander


... but...

here you are:

http://cgi.ebay.de/ws/eBayISAPI.dll?ViewItem&item=3114951416&category=9167

Wow! Nice calc! Based on the same principles I use daily to compute mathematical totals, like my IQ, etc.!

Getting harder to start up, though,... especially in the mornings. It also keeps increasing it's weight.

I wonder if this one was obtained by a "five-fingered discount."

I plan to bid early and often....well, no more than I can count on one hand, anyway.

Michael

Checked my Datamath Site - you are right: Not mentioned there.

BUT: No "=" key, seems to be an ealy HP ;-))

Greetings from the Dark Side, Joerg

JAJAJA :-)) :-))

No =, but also not "ENTER" key... mmmm :-))

Perhaps not an TI nor an HP
I said it was a TI because I saw the machine at "65 Notes"... perhaps was wrong in the revue.
Maybe an National Semiconductor?
Maybe an TI prototype?

Greetings

Daniel

Not binary, not octal, not decimal, not hexadecimal, but ....

a "funf-imal" base machine (?).