Contents

News

• Wednesday the 15th of June 2005: New program additions
• Saturday the 30th of April 2005: April News 2005
• Thursday the 31st of March 2005: Emu42 for Pocket PC now supports VGA resolution
• Monday the 10th of January 2005: The Campaign for Emu42 (& Emu48 for Pocket PC) is closed!
• Wednesday the 22nd of December 2004: Keep the HP spirit alive!
• Wednesday the 10th of November 2004: First version of Free42 - a new HP-42S simulator
  

  Older news items

Emulation

• Emu42 - Christoph Giesselink's emulator for Windows and Pocket PC 2002/2003.^UPDATED

Program library

• Games

• Minehunt game Graphical minehunt game for the HP-42S
• Okie Dokie Graphical puzzle game converted from the Atari 2600
• The Caves Adaptation of a classic HP-41C game
  
• Trek Star Trek game written originally for the HP-42S
  
• Black Jack Black Jack game adatpted from the HP-41C
  

• Math

• QPI Approximate decimal numbers by fractions on various forms
  
• Prime Number Factorisation Factorises integers up to 99 999 999.
  
• Miller-Rabin Primality Test Primality test for integers up to 999 999 999 999.
  
• Big Factorial Aproximate factorials (N!) for N larger than 253.
  
• Find the root, min and max of a function using Newton's algorithm
• Find the roots of two nonlinear equations using Newton's algorithm
• Find the roots of several nonlinear equations using Newton's algorithm ^NEW
• Multiple linear regression ^NEW


• Physics & Electronics

• A-Sim Analog circuit simulator
  
• D-Sim Digital circuit simulator
  
• Resistor Colour Codings Translate to-from numeric value
  
• Star-to-triangle, Triangle-to-star Conversions for resistors
• 317 Solver program for the LM317 Voltage Regulator
• 555 Solver program for the 555 timer

• Date and time

• Date functions Calculate the number of days between two dates and more.
• Clock Stop-watch and short-term clock.
  

• Tools
  
  
• HELP for HP-42X Help screen for running HP-42X on a HP48SX/GX.
  
• Clear for the HP-42S Reset your calculator to a known initial state.
• Flag View and edit flags
  
  

• Contributions
• Contribute your best HP-42S programs!

Documentation

• The owner's manuals (Owner's Manual / Programming Examples and Techniques) can be obtained on CD from the HPMuseum.com
  
• Undocumented matrix functions: Owner's Manual Addendum: Hidden Matrix Functions

PC

• 42s2html. A small utility for converting 42S binaries to HTML listings (for Win 9x/2K/XP).

Fonts

• Realistic TTF-fonts of the HP-42S LCD font as well as the font used by the HP-82240 IR-printer.
  

Presentations and articles

• "A user's comments on two HP-42S emulators". Presentation regarding Emu42 and HP-42X held at HPCC London Meeting July 2003. (PDF 1.4MB)
  Now also an article (PDF 865KB) in the HPCC Datafile (January/February 2004 V23 N1)
• "Program encapsulation on the HP-42S". (PDF 531KB) Article in the HPCC Datafile (March/April 2004 V23 N2)
  

Where to buy or repair?

• FixThatCalc has fixed prices (excluding parts) for repairing many HP calcs including the HP-42S. Also occasionally has units on offer. Well-known in the HP user community for high-skilled work!
  

Contact

• Contact information
  

Links

• Pioneer. Good information on downloading and getting Emu42 to work, as well as some KMLs
• Site van Reinout Maes. Listings for the HP-42S, including unit conversions (in Dutch)
• Gene Wright's Old HP and TI Calculators. Lots of programs, mainly for the HP-41C(V/X) but also some HP-42S dedicated
• Hrastprogrammer's homepage. Information on how to acquire HP-42X.
  
• Christoph Giesselink's homepage. Home of Emu42 (and Emu48)!
• Thomas Okken's Free42 homepage
  

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Last updated 2005-06-15