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19 results for tags Packard x
  • [TUHS] BSTJ archives
    Links to archives for the Bell System Technical Journal, the IBM Journal of Research and Development, DEC Technical Journal, the Hewlett--Packard Journal, and the Intel
    Technology Journal.
    Fri Aug 14 23:54:31 2020 - permalink -
    - https://minnie.tuhs.org/pipermail/tuhs/2020-August/022043.html
    Bell computer Hewlett history Packard reading
  • Free42 : An HP-42S Calculator Simulator
    Free42 is a re-implementation of the HP-42S Scientific Programmable Calculator and HP-82240 Printer.
    It is a complete rewrite, not using any HP code. It does not require an HP-42S ROM image.
    Free42 is an Open Source project. The executables and source code are released under the terms of the GNU General Public License, version 2.
    Sun Jan 20 23:17:37 2019 - permalink -
    - http://thomasokken.com/free42/
    calculator FOSS GPL Hewlett Packard software
  • start [HP Calculator Wiki]
    This wiki was originally created to be a development home for repurposing the HP-20b calculator, but has since grown to support several repurposing projects. It is our hope that this grass-roots approach to calculator hacking will expand to include other many HP calculator models and open-source projects.
    Mon Nov 19 13:56:45 2018 - permalink -
    - http://www.wiki4hp.com/doku.php?id=start
    calculator Hewlett Packard wiki
  • Python to RPN - source code converter
    A new way to program HP calculators like the HP42S, DM42 and Free42.
    Fri Feb 16 15:41:07 2018 - permalink -
    - https://pyrpn.herokuapp.com/
    hack Hewlett on-line Packard Python RPN tool
  • Microsoft Word - HP-IR Receiver with Arduino.doc - HP-IR Receiver with Arduino.pdf
    A Hewlett Packard Infrared Signal Decoder
    Martin Hepperle
    June 2015
    Several Hewlett Packard pocket calculators are able to send printer output via Infra-Red (IR) signals to a small portable printer. They use an HP-specific transmission protocol which is also called “Red Eye”. This protocol is different from the better known IrDA protocol. This document gives a brief overview of the format and describes hard- and software to build a decoder system for this protocol.
    This system allows receiving the “Red Eye” signals with a computer via a serial or an USB interface.
    Thu Feb 15 11:07:58 2018 - permalink -
    - http://www.mh-aerotools.de/hp/red-eye/HP-IR%20Receiver%20with%20Arduino.pdf
    arduino electronics hardware Hewlett Packard todo
  • DM42
    Example programs, (off) images and photos of the internals of the SwissMicros DM42 calculator.
    Mon Feb 12 17:17:28 2018 - permalink -
    - http://www.finetune.co.jp/~lyuka/interests/calc/dm42/
    calculator Hewlett Packard software
  • Writing an Almanac for WP-34S - Use Bowditch?
    Links and recommendations for books about astronomical algorithms.
    Sun Nov 20 18:12:11 2016 - permalink -
    - http://www.hpmuseum.org/forum/thread-6750.html
    astronomy book Hewlett navigation Packard
  • RPN calculators
    Interesting page about HP calculators, including tips to check the battery on the hp15c LE, example programs and more.
    Fri Nov 15 15:51:14 2013 - permalink -
    - http://tuxgraphics.org/~guido/hp_calc/
    calculator Hewlett Packard
  • SwissMicros.com
    The world's smallest programmable RPN calculators ever. The complete family DM-11, DM-12, DM-15 and DM-16.
    Wed Nov 28 09:54:36 2012 - permalink -
    - http://www.swissmicros.com/
    calculator hardware Hewlett Packard
  • Some badly conditioned matrices to test the accuracy of determinant calculations.
    Fri Oct 7 12:42:32 2011 - permalink -
    - http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv015.cgi?read=72635
    algorithm calculator Hewlett mathematics numerical Packard
  • HP-15C web-simulator
    Web-based simulator of the hp15c calculator. Enhanced version with stack display. Note that contrary to emulators such as nonpareil, this simulator does not produce the same results as the real hp15c.
    Sun Sep 18 01:45:46 2011 - permalink -
    - http://hp15c.com/web/hp15c.html
    calculator Hewlett on-line Packard
  • ND1
    RPL-based calculator for iPhone, an Android version has been announced.
    Mon Jul 25 15:27:24 2011 - permalink -
    - http://naivedesign.com/ND1/ND1.html
    calculator Hewlett Packard
  • thumbnail
    HP28 with transparent case
    Might be useful when disassembling an HP28.
    Thu Jul 21 15:55:58 2011 - permalink -
    - http://www.flickr.com/photos/60529780@N02/5537679547/in/set-72157626354812528
    calculator Hewlett Packard
  • emu71 Page
    Emulator for the HP71B, running under DOS.
    Thu Jul 21 14:00:15 2011 - permalink -
    - http://www.jeffcalc.hp41.eu/emu71/index.html
    calculator Hewlett Packard software
  • HP 28S: shucking the clamshell, further. Book?
    Some pictures and text about opening an HP 28S.
    Tue Jul 19 14:54:45 2011 - permalink -
    - http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv020.cgi?read=185173#185173
    calculator hardware Hewlett Packard
  • RPN-CALC DM-15CC
    A credit-card sized clone of the legendary hp-15c calculator developed in Switzerland. First units have been shipped early February 2012. A version to emulate the hp-16c is planned. Also known as http://www.swissmicros.com/.
    Tue Jul 12 20:08:44 2011 - permalink -
    - http://www.rpn-calc.ch/
    calculator electronics hack hardware Hewlett Packard
  • HP Journal - online issues
    The famous HP journal is available on-line at last!
    Fri Mar 28 11:39:33 2008 - permalink -
    - http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/hpjindex.html
    Hewlett Packard reading
  • Bring Back the HP 15C
    A petition to bring back the HP15C scientific calculator. Note that HP produced the limited edition of the HP 15C (2011?)
    Mon Jun 11 19:00:49 2007 - permalink -
    - http://hp15c.org/about.php
    calculator Hewlett mathematics Packard tool
  • HP Journal - Online Issues
    Some issues of the famous HP Journal are available on-line.
    Mon Nov 6 13:35:54 2006 - permalink -
    - http://www.hpl.hp.com/hpjournal/past.htm
    Hewlett Packard writing
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