HP Forum Archive 19

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OT: TI-89 (Dumb Question) Message #1 Posted by Juan J on 11 Feb 2009, 9:25 p.m. Hello, I have been "playing" with a TI-89 today. Interesting calculator, reminds me of Mathematica's user interface. I understand there is an RPN emulator of some kind for this beast. Is this true? If so, where can I get it? Thanks in advance.

Re: OT: TI-89 (Dumb Question) Message #2 Posted by Bob Wang on 12 Feb 2009, 12:09 a.m., in response to message #1 by Juan J http://home19.inet.tele.dk/ew/programs.htm

Re: OT: TI-89 (Dumb Question) Message #3 Posted by Gordon Strickland on 13 Feb 2009, 2:10 a.m., in response to message #1 by Juan J Another possibility is rpn89, available for download at http://www.ticalc.org/pub/89/asm/math/ However, I have not personally tried this program.

Re: OT: TI-89 (Dumb Question) Message #4 Posted by Juan J on 13 Feb 2009, 5:06 p.m., in response to message #3 by Gordon Strickland Hello, Thank you. I will give these a try. Do these programs work on the TI-84?

Re: OT: TI-89 (Dumb Question) Message #5 Posted by Marcus von Cube, Germany on 13 Feb 2009, 6:19 p.m., in response to message #4 by Juan J I'm afraid they wont unless a specific version is available for that machine. The 89 is technically close to the 92+ and the Voyage 200, driven by a 68000 Motorola processor. The TI-84 (and its predecessors TI-80, 81, 82, 83 as well as another series: TI-85/86) are all driven by a Z80 processor architecture.

Re: OT: TI-89 (Dumb Question) Message #6 Posted by Juan J on 14 Feb 2009, 7:33 a.m., in response to message #5 by Marcus von Cube, Germany Hello Marcus, Thank you for the info. Duly noted. I can understand where HP got the ideas for the 49/50 design without the big ENTER key. Fortunaltely the 89 can run on RPN. And I thought the 50G's menu system was annoying... At least you can change it to the 48 series' style.

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