Does anybody want an HP-35 emulator for Palm?

I've ported Eric Smith's csim to PalmOS. I've got it emulating the HP-45 and HP-35 (using Peter Monta's extraction of the ROM). Unfortunately the hard disk of the computer i was developing it on died last week so the only version i have is the one on my Treo that emulates the HP-35 only. Does anyone want a copy? I do plan on rewriting it sometime, but i've got to buy a new hard disk and reinstall Linux, etc first.

It's a little slow, but useable. I ported it by simply writing the relevalent Unix calls, which may account for some of the slowness.


Will it include an X^Y key, and the bugs?


It's using the original ROM, so it has all the same keys and all the same bugs (hopefully no new ones).


A nice stack-based calculator program already exists for PalmOS PDAs: "RPN" by Russell Y. Webb (

It doesn't emulate HP models. However, being stack-based, it obviously operates in a similar manner. It is programmable, but its scripting language is quite a bit different than programming a real HP RPN or RPL model.


May I have it ? Source codes would be nice, if you donĀ“t mind.

r_toi at yahoo dot com




CSIM is provided under the GPL. If you don't distribute sources (for any reason, including a disk crash), you
can't distribute the object code either. Sorry.

But if you do write it again, we'll all look forward to
seeing it.

Possibly Related Threads…
Thread Author Replies Views Last Post
  HP-35 blind buy but buggy! Max Stone 7 2,913 11-11-2013, 05:56 PM
Last Post: Dieter
  Another HP 35 Red Dot on eBay Michael de Estrada 5 2,427 11-09-2013, 03:07 PM
Last Post: aj04062
  HP 35 ... 80 Olivier De Smet 6 2,482 08-29-2013, 07:25 AM
Last Post: Olivier De Smet
  HP 35 Pretty Good Purchase Today! Norman Dziedzic 1 1,451 03-05-2013, 12:52 AM
Last Post: Dan Lewis
  Slightly OT: Remember the extraction of the HP-35 ROM? Frank Boehm (Germany) 1 1,229 02-06-2013, 05:53 PM
Last Post: aurelio
  Silver paint for HP 35 case Anoop Sahal 2 1,457 12-26-2012, 10:17 AM
Last Post: Anoop Sahal
  HP 35 #3? ClausB 5 2,131 12-11-2012, 02:48 AM
Last Post: Maximilian Hohmann
  HP 35 Red Dot page Michael Eckstein 6 2,352 11-05-2012, 03:03 AM
Last Post: Michael Eckstein
  OT--Palm & Sharp Wizard need tech care Matt Agajanian 9 3,036 08-28-2012, 11:54 PM
Last Post: Matt Agajanian
  Single Level X^2 for HP-35...Any ideas Matt Agajanian 0 1,010 08-11-2012, 10:01 PM
Last Post: Matt Agajanian

Forum Jump: