Early "RPN" by Commodore?



#2

Look at the description for this eBay-Item:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3294&item=5769874882&rd=1

No real stack but an ENTER key...


#3

Hi,

this is not really RPN like in the older HP calcs,

but a simplified version, more like an adding machine.

These Minuteman 6 calcs were made in different versions,

some with and some without an ENTER key.

AFAIK only the Minuteman models with a star (*) or cross (X)

are (simplified) RPN.
Some used 9V battery blocks,

and some used two 1.5 V batteries, IIRC.


Commodore (and some other brands) also made

some bigger machine(s) with real RPN logic.

Raymond


Possibly Related Threads...
Thread Author Replies Views Last Post
  Layout of arithmetic keys on early calculators Walter B 10 992 11-20-2013, 11:13 AM
Last Post: Jake Schwartz
  [PRIME] RPN: another attempt at returning more than one value to the RPN stack Marcus von Cube, Germany 5 804 11-05-2013, 02:44 AM
Last Post: Marcus von Cube, Germany
  HP50G early days vs Prime early days? Mike Powell 7 748 10-09-2013, 11:17 AM
Last Post: Eric Rechlin
  May be a little early ... Walter B 5 582 12-09-2012, 05:04 PM
Last Post: Paul Dale
  Non HP very early LCD Calc? Ian Phillips 6 765 10-06-2012, 01:57 PM
Last Post: Frank Boehm (Germany)
  Lovely old catalog picture (Commodore) Gene Wright 4 526 06-07-2012, 11:31 PM
Last Post: Bruce Bergman
  Resurrecting an old topic: Batteries for a Commodore 4190 Gene Wright 8 769 05-15-2012, 03:10 PM
Last Post: Anders Persson
  OT: Commodore PR-100 manual Bart (UK) 4 463 03-12-2012, 12:08 PM
Last Post: Paul Berger (Canada)
  A Very Early HP Calculator Connection Les Bell 2 396 01-18-2012, 05:15 PM
Last Post: John Robinson
  Dave Ramsey et al with early HP 41C conversions to CL Geoff Quickfall 4 508 01-01-2012, 12:51 AM
Last Post: David Ramsey

Forum Jump: