HP-41 Archives
Released May 25, 2016

From its introduction in 1979 until final production in 1990, the Hewlett Packard 41 Series Programmable Calculator reigned supreme as the trusted companion of professionals and students worldwide. Its instant success was due to innovation, quality and a well established base of loyal customers. The HP-41 became the object of fascination to a vast following of dedicated enthusiasts which sprang up to explore its intricacies and possibilities. Even today, its classic design makes it a useful and collectable tool with yet a few surprises left. This collection is dedicated to documenting and preserving this amazing machine.

Warren Furlow
hp41.org
Image © Hewlett-Packard


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Contents
User Documentation
HP Periodicals
Software
Hardware
Development Tools and Software
Other Languages

Contributors
    Hewlett-Packard - Permission to reproduce any HP-41 materials
    Jake Schwartz - Permission to share Datafile, Key Notes, Journal, HPX, CHHU and PPC issues from his CD set
    Christoph Klug - Provided copies of Service Manual and several HP-IL hardware manuals
    Leo Duran - Wrote HP41UC utility
    Reinhard Breuer - Redrew HP41 schematic
    Rudi Christensen - Scanned Time Module manual, HP-IL Printer manual
    Ulisse Quadri - Wrote WIN41UC utility
    Julián Miranda - Loaned Stress and Structural Analysis Pac manuals
    Philip Nienhuis - Scanned Stat Pac Manual
    Jeff Brown - Wrote original TEF code for V41
    Peter Janssen - Created new icon for V41
    Jim McCarthy - Keyboard image conversions for V41
    Zharkoi Oleg - Wrote timer, trace and speaker sound code for V41
    Michael Vogel - Created light tone face bitmaps for V41
    Mark Villarino - Reworked the PANAME manual into a PDF
    Keith Jarett - Permission to reproduce "Synthetic Programming Made Easy" and Programming Reference Card
    S. E. Vincent - Improved keyboard bitmaps, created TrueType LCD font, scanned Extended Functions manual
    Sten Vesterli, Flemming Madsen - Permission to reproduce HEPAX manual
    Steen Petersen - Permission to reproduce HEPAX ROM
    Monte Dalrymple - Loaned Real Estate Pac manual, IR Printer Module manual, Real Estate Pac Overlay
    W&W Software Products GmbH - Permission to reproduce CCD module and manual
    Frank Bauernoeppel - Ported V41 to the PocketPC and wrote wave sound code
    Thomas Schaefer - Provided Card Reader ROM, Extended I/O ROM, Survey ROM, Aviation Pac
    Tony Duell - Provided Users Library Solutions programs with index, Plotter ROM, Securities Pac, Thermal Pac, David Assembler and others
    Ray Simons - Donated assorted HP-41 hardware and software
    Paul Mang - Scanned Finance Pac manual
    Mike - Provided Time Module VASM listing
    Dave Colver - Scanned HP-41C/CV/CX Service manual, W&W 32K RAM Box manual, AME PortXTender Manual, Applied Statistics I,II
    Andy Delano - Loaned 3421A Data Acquisition/Control manuals, HPIL/HPIB manual, HPIL Converter Technical manual, HPIL/GPIO manual and supplement, HPIL/RS232 manual
    William Wickes - Permission to reproduce "Synthetic Programming on the HP-41C"
    John McClurg - Loaned "Synthetic Programming on the HP-41C", "Inside the HP-41", Contributor's Guide, CCD overlay and QRC
    Eric Smith - TEF code in V41
    Philip Reagan - Provided copy of Data Acquisition/Control Pac manual
    Kristian Otnes - Scanned Circuit Analysis Pac Manual
    Jürgen Keller - Scanned Machine Design Pac Manual, 92198 HP-IL 80 Column Video Interface Owner's Manual
    Gary Friedman - Permission to reproduce "Control The World With HP-IL"
    Ian Chennell - Scanned Sales Brochure
    Paul Cardinale - PPC ROM Manual Index page
    Alan Claughan - Scanned Series 40 Sales Brochure, Circuit Analysis, Stress overlays, Home Management QRC, "Creating Your Own HP-41 Barcode", "An Easy Course in Programming the HP-41" and other Grapevine publications, System Demo, converted PPC PDF files, Printer and Wand Service Manuals, Real Estate Ref, Optometry I & II, HVAC, User's Lib Programming Reference Guide, HP-IL Chip Specification, HP-IL Reference, HP-IL Diagnostic ROM Manual
    Jean-Daniel Dodin - Permission to reproduce "Inside the HP-41"
    Dana Greathouse - Loaned Petroleum, Securities and Thermal Pac manuals
    Gordon Dyer - HP-41 / HP-28 Comparison Brochure, You & Hewlett Packard Brochure, Custom Products Brochure
    David A. van Leeuwen - Permission to reproduce David Assembler and manual
    Grapevine Publications - Permission to reproduce "An Easy Course in Programming The HP-41" and other HP-41 publications
    Jim Joseph - Donated HP-41 manuals
    Don Leonard - Loaned 3468A Manual and Product Note, "Creating Your Own HP-41 Barcode", 82905B Manual, MX-80 Technical Manual, Eramco Quick Ref
    Rod Buchanan - Donated assorted HP-41 hardware and manuals
    Eramco Systems - Permission to reproduce Eramco materials for HP-41
    Frank Wales - Internal Design Specification documents for CPU, HP-IL, Timer and Printer
    Robert Hasenohr - Clinical Lab and Nuclear Medicine Pac manual
    Steve Beadle - Scanned Cement Plug Balancing and Injection Rate Calculations program
    Wilson Holes - Permission to reproduce AECROM, donated AECROM and Manual, loaned Data Acq Module Manual, scanned ProtoTECH Manuals, MC EPROM Manual, Many ROM files
    Pierre Hardy - HP-41 Programming Environment & Bar Codes Generation Utility
    Ángel Martin - Service ROM Overlay, SANDBOX ROM, SANDMATH ROM, Unit Convert ROM, Cv-PAK manual, Toolbox ROM, Advanced Matrix ROM, Bessel Functions Module, Encoded various games into modules, HP41Z Module, Total Rekall-41 Document, Unit Convert ROM, Quaternion ROM, Polynomial Analysis Module, scanned library programs, and MANY MORE submissions.
    Charles Lee - P41CX Emulator & Utilities for Palm Pilot
    Meindert Kuipers - ML ROM
    Claude Roeltgen - Contributed Chess Playing Program
    Virgilio Guillen - Auto Start and Cassette Duplication Manual
    Diego Diaz - Scanned Digital Cassette Drive Manual, 9114B Manuals, 44468A Overlays, 82973A Schematic, 82240B Printer Manual, 2225B ThinkJet Manual, SGS Gas Manual, Clonix-41 Module, ET-11968 image, Ulrich's Books Price List
    Ulrich Deiters - Contributed Aitken's Polynomial Interpolation Program
    Emmanuel Compès - Scanned original French Paname manual, made Forth41 Overlay, HHP Manuals, QRG, HP-41CX QRG, Supplement, Documented CMT EPROM Test Module
    Jean-François Garnier - Scanned HPIL Chip Detailed Description, Advantage Applications ROM, RAMBOX manuals
    Garth Wilson - Provided copy of HP-41 HP-IL System Dictionary, Firmware Specialists HP-IL/RS232 Interface
    Cary Enoch Reinstein - 4TREK, HP-41 HP-IL System Dictionary
    Miki Mihajlovic - HP-16 Simulator for HP-41, Scanned Reservoir Engineering Manual and Programs
    D. Nathan Meehan - Contributed Reservoir Engineering Manual
    Eric L. Vogel - Contributed Reservoir Engineering Manual
    Bill Russell - Users Library Program 01957C
    Dave Conklin - Permission to reproduce Firmware Specialists HP-IL/RS232 Interface manual
    Gene Wright - Provided many user code programs for scanning, loaned Finance 1D ROM
    Dave Ramsey - Scanned many user code programs
    Michael Burr - Loanded HP-41C/CV Brochure
    Alain Duranteau - Scanned System Demo, Several French HP-41C Sales Brochures
    Laitram, L.L.C - Loaned Laitram XQ2 Module and granted permission to post
    Etienne Victoria - Provided listing of HP-41 System Demo
    Matthas Wehrli - Module List
    William Doug Wilder - Released BLDROM and manual, DISASM ROM and manual, Labels ROM, 82143A printer documentation, loaned CMT brochures
    Patric Mueller - Assembler Utility
    Iñigo Rodriguez Aizcorbe - Scanned Spanish manuals: High Level Math Solutions, Stat Pac Manual & Quick Ref, HPIL Module Manual & Quick Ref, Card Reader Manual, HP-41C Quick Ref, Standard Applications Manual, 82143A Printer, HP-41C User's Manual, CCD German Manual
    Helmut Wabnig - HP-41 Rechargeable Battery Pack Refurbishment document
    John Dearing - Permission to reproduce Calculator Tips & Routines.
    Ted Taylor - Provided copy of Surveying Field Solutions manual
    Wilhelm Loidl - HP-41CY Turbo, RAMBOX II manual, Walcher W41 Data Logger Manual, Mücke Module
    David Bookin - Scanned Users Library programs: 02567C, 00609C, 00709C, 01333C, 02115C, Sales Literature: Hepax, Zenrom, 82240, Solve & Integrate newsletter, Chemistry Collection book, various addendums, Educalc Tech Notes
    Ken Saul - Copies of The Chemistry Collection, The Physics Collection & permission to reproduce.
    Gunnar Spiess - German Card Reader Manual
    Ron Fredericks - 41CV Owner's Handbook, Cardiac/Pulmonary Solutions
    Dmitri Faguet - HP-41CV Repair Sheet
    David Hayden - Scanned a collection of User Library programs, and converted them to RAW format.
    Stéphane Barizien - Permission to publish the Paname ROM
    Jean-Jacques Dhénin - Permission to publish the Paname ROM, and "Programmer HP-41"
    Wlodek Mier-Jedrzejowicz - Permission to publish "Extend Your HP-41"
    Jeremy Smith - Permission to publish Synthetic Quick Ref and Notes
    Robert Moumaneix - Scan of Card Reader Service Manual
    Alan McCornack - Provided a copy of "HP-41 Advanced Programming Tips" and permission to reproduce it.
    Allen Thomson - Scanned CMT-110/CMT-10 Manual, SUP-R-ROM Manual, CMT-10 Manual, Zeprom Programmer Manual, Handy Compact Manual
    Prabhuraj Bhooplapur - Scanned "Curve Fitting for Programmable Calculators" and Laplace Transforms
    William Kolb - Permission to reproduce "Curve Fitting for Programmable Calculators"
    Daniel Perrenoud - Scanned French HP-41C Owner's Manual
    Bryan Levin - Repair photos
    Micky Moreno - Seapipe Module Info
    Steve Leaver - Improved HP-41C/V Programmer's Manual
    Peter Platzer - Reformatted SDK41 Manual, Unit Convert ROM
    Tom Bruns - Permission to publish TOMSROM1 program and manual
    Didier Lachieze - Scanned French Card Reader Manual, Dutch Operating Manual
    Karl-Ludwig Butte - UPLE Programming Submittal Form
    Michael Rees - Scanned Mücke Manual
    Dean Koger - Transcribed programs for: Chemistry Collection, Physics Collection, LaPlace Transform, Interference Fits, Linear or Angular Def, Molecular Wt Calc, Soderbergs Eq, Solutions Index, ME programs, Fitting Polynomials and Roots of Polynomials
    Luiz C. Vieira - Provided NUT0-H.ROM
    Luján García - Made keyboard overlay images for Sandmath and 41Z
    Dirk Risse - Scans of German quick reference cards
    Jim Daly - Donated Oilwell Drilling module and manual and permission to reproduce
    Jean-Marc Baillard - Wrote and submitted JMB MATH ROM, ASTRO2010 ROM, JMB Matrix ROM and Quaternion ROM
    David Bengtson - Scanned "A Pocket Computer? Sizing up the HP-41C"
    David Hayes - Made high contrast keyboard images for V41
    Alvaro Gerardo Suárez - Translated V41 helpfile to Spanish
    R. Moumaneix - Translated V41 helpfile to French, Scanned HP82164A Service Manual and created new schematic diagram
    Geir Isene - Developed and Submitted ASTROUI rom, NOV CHAP rom, ICEBOX rom manual
    Pip Hamilton - Battery repair sheet
    Juergen Keller - CMT-300 Manual
    Thomas West Rodke - Developed and Submitted MoNoPoLY Module and documentation
    Kimberly Thompson - Scanned and submitted a collection of 25+ engineering user code programs and manuals
    Pierre-Jean Ballard - Converted all RAW programs into barcode
    Andreas - Scanned German Standard Application Pac Manual
    Ruud de Bruin - Install script for V41 on Windows 7
    Jackie Woldering - Converted Coconut VASM listing to text, transcribed PPC programs
    Ettore Accenti - Scanned Italian Quick Ref, Owner's Manual and Standard Applications book
    Jeff Beckerman - Compiled programs from all solutions books and generated new barcode
    Sebastian Toelg - Developed and Submitted NEXT rom and Quick Reference
    Giancarlo Ferluga - Scanned manual for CAL-TRANS Survey Chip 2.0
    Johannes Grösbrink - VERMPACK
    Newton Fallis - Financial Pack Overlays for V41
    Christophe Gottheimer - BLDROM - The HP-41 ROM Builder, NSIMII, Liftool, SDK41/Linux port
    François Charpentier - Protective keyboard photos
    Derek Amos - Eramco MLDL XROM 11 version
    Martin Hepperle - Scanned German translation books of Dearing, Jarett, Wickes and Albers, BYTE magazine articles, ERAMCO Newsletter and price list, all PRISMA issues
    Sylvain Côté - Scanned "Data processing on the HP-41C/CV", "HP-41 Advanced Programming Tips"
    Rik Bos - Provided ERAMCO Newsletter and price list
    Walt - Scanned German HP-41 Owner's Handbook and Programming Guide

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