Welcome to hpcalc.org
Covering the HP Prime, HP 50g, HP 49g+, HP 48gII, HP 49G, HP 39gs, HP 40gs, HP 39G, HP 40G, HP 48GX, HP 48G+, HP 48G, HP 48SX, HP 48S, HP 38G, HP 28S, and HP 28C

Welcome to hpcalc.org (https://www.hpcalc.org), the premier source of software for and information about the HP Prime, HP 50, HP 49, HP 48, and HP 28 RPN programmable graphic calculators and the HP 38G, HP 39, and HP 40 programmable graphic calculators, with 9459 files by 2635 authors and 4397 screenshots totaling 2057.66 MB.

If you are interested in purchasing HP calculator-related items to help support this site, please see my commerce site.

Attend HHC 2023, the annual HP calculator conference, in Orlando, FL, USA, October 7-8. I will be there, and hopefully you will too!

You may now create an account on hpcalc.org. By creating an account and logging in, you will be able to rate programs, write comments about programs, customize the display of this site, and download old versions of programs. Please click here to create or manage an account.

 


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General Information
Internet
Torrents, Web Site Links, #HP48 IRC Chat, Newsgroups and Discussion Forums, All HP Calculator Manuals

Purchasing
Discount Calculator Sales
| Feedback
Email, HP 49/50 Bug Reports, Submit Your Own Files

Software
Top Downloads, Best Calculator Programs, HP's Own Programs, Installing Calculator Software, What's New, Uploads, Valentin Albillo's HP Collection


HP Prime  
Prime Apps
Documentation, Games, Graphics and Plotting, Math, Miscellaneous Applications, PC Programs, Programming Tools, Science Apps, Utilities


HP 49 Series: HP 48gII, HP 49G, HP 49g+, HP 50g
Applications
Database, Editors and Viewers, PIMs, Spreadsheets and MatrixWriters, Miscellaneous

Games
Adventure, Arcade, Board, Card, Miscellaneous

Graphics
Animations, Editors, Grayscale, Plotting, Miscellaneous

Math
Numeric, Statistic, Symbolic, Miscellaneous

Documentation
FAQ, Programming, Miscellaneous
| Programming
Entry Points, Libraries, Miscellaneous

Utilities
Communication Utilities, Compression Tools, Fonts, Interface Enhancements, Memory Tools, Security Tools, Sounds and Sound Tools, Stack Enhancements, Time/Clock Tools, Terminal Emulators, Miscellaneous

Science and Engineering
Astronomy, Chemistry, Civil Engineering, Electrical Engineering, Physics and Structural Engineering, Miscellaneous

PC Files
Emulators, Link, Pictures, Programming, ROM Updates, Miscellaneous



HP 48 Series: HP 48S, HP 48SX, HP 48G, HP 48G+, HP 48GX
Applications
Databases, Meta Kernel, PIMs, ShellOS, Spreadsheets and MatrixWriters, Text Editors/Viewers (and Fonts), Miscellaneous

Games
Adventure, Arcade, Board, Card, Chip, GL, Lehm, Miscellaneous

Math
Numeric, Statistic, Symbolic, Miscellaneous

Science and Engineering
Astronomy, Chemistry, Civil Engineering and Surveying, Electrical Engineering, Geography, Physics, Miscellaneous

Documentation
Opening the HP 48, comp.sys.hp48 FAQ, HPedia Encyclopedia, Humor, Programming, Mini Challenges, Columns, Book Reviews, Miscellaneous
| Compilations
André Schoorl's, Joe Horn's Goodies Disks, Miscellaneous

Graphics
Animations, Editors, Grayscale, Grobs, Plotting, Miscellaneous

Programming
Assemblers, Disassemblers, Documentation, Entry Points, "Hacker" Tools, Library Tools, Miscellaneous

Utilities
Communication Tools, Terminal Emulators, Compression Tools, Memory Tools, Interface Enhancements, Security Programs, Music and Sound, Stack Replacements, Time, Miscellaneous

PC Files
Emulators, HP-PC Link Programs, Pictures, Programming Tools, Miscellaneous


HP 39 Series: HP 39G, HP 39g+, HP 39gs, HP 40G, HP 40gs
E-Lessons
Apps, Games, Graphics, Math, Science
| PC Files
Documentation, PC Programs


Older Series: HP 38G, HP 28S, HP 28C
38G Aplets
Documentation, Games, Math Aplets, Miscellaneous Applications, PC Files, Programming Tools, Science Aplets, Utilities
| 28C/S Programs
Applications, Documentation, Games, Graphics, Math Programs, Programming Tools, Utilities


Newest Additions
May 29th, 2023 Added Altitude Above a Triaxial Ellipsoid to Science Prime
Added Angle between Two Coplanar Position Vectors to Science Prime
Added Frozen Orbit Design to Science Prime
Added Geosynchronous Orbit Design to Science Prime
Added Hohmann Transfer to Science Prime
Added Impulsive Deorbit from a Circular Earth Orbit to Science Prime
Added Mean and Osculating Classical Orbital Elements to Science Prime
Added Mean or Apparent Greenwich Sidereal Time to Science Prime
Added Nodal Period of an Earth Satellite to Science Prime
Added Optimum Launch Mass of a Single Stage Model Rocket to Science Prime
Added Orbital Periods of an Earth Satellite to Science Prime
Added Predicting Lunar Eclipses to Science Prime
Added Predicting Rise and Set of the Moon to Science Prime
Added Predicting Solar Eclipses to Science Prime
Added Predicting Sun Rise and Set to Science Prime
Added Repeating Groundtrack Orbit Design to Science Prime
Added Shadow Conditions of Earth Satellites - Kozai Orbit to Science Prime
Added Shadow Conditions of Earth Satellites in Circular Orbits to Science Prime
Added Single Impulse Deorbit from an Elliptical Orbit to Science Prime
Added Sun-Synchronous Orbit Design to Science Prime
Added Time of the Seasons to Science Prime
Added Translunar Injection from a Circular Earth Park Orbit to Science Prime
 
May 28th, 2023 Added Chebyshev Approximations of an Analytic Function to Math Prime
Added Gauss-Kronrod Quadrature to Math Prime
Added Aero-assist Orbital Transfer to Science Prime
Added Apparent Place of a Star to Science Prime
Added B Plane Coordinates to Science Prime
Added Calendar Dates and Julian Days Conversion to Science Prime
Added Classical and Modified Rquinoctial Orbital Elements to Science Prime
Added Classical Orbital Elements of a Hyperbolic Flyby Orbit to Science Prime
Added Creating a Chebyshev Ephemeris of an Inner Planet to Science Prime
Added Creating a Chebyshev Ephemeris of the Moon to Science Prime
Added Creating a Chebyshev Ephemeris of the Sun to Science Prime
Added Earth Orbit Lambert Problem to Science Prime
Added Earth to Mars Trajectory Design to Science Prime
Added EME2000 and True-of-Date Coordinate Conversion to Science Prime
Added Ephemeris for the Inner Planets to Science Prime
Added Geocentric-to-Geodetic Algorithm to Science Prime
Added IAU 1980 Nutation Algorithm to Science Prime
Added IAU 2000b Nutation Algorithm to Science Prime
Added Impulsive Hyperbolic Injection from a Circular Earth Orbit to Science Prime
Added Inertial to Flight Path Coordinate Conversion to Science Prime
Added Kepler's Equation for Parabolic and Near-Parabolic Orbits to Science Prime
Added Low-Precision Ephemeris for the Sun, Moon and Planets to Science Prime
Added Osculating Orbital Elements of the Moon to Science Prime
Added Performance of a Single Stage Model Rocket to Science Prime
Added Performance of a Single Stage Model Rocket to Science Prime
Added Precession Calculations to Science Prime
Added Predicting Perigee and Apogee of the Moon to Science Prime
Added Solving Kepler's Equation using Gooding's Method to Science Prime
Added State Vector to C3, RLA and DLA to Science Prime
Added Trajectory Modeling in the Flight Path Coordinate System to Science Prime
Added U.S. 1976 Standard Atmosphere to Science Prime
 
May 16th, 2023 Updated Database 48 to E on Apps/Database 48
Added nonpareil-voyager-series HP-10C to PC/Emulators 48
Added nonpareil-voyager-series HP-11C to PC/Emulators 48
Added nonpareil-voyager-series HP-12C to PC/Emulators 48
Added nonpareil-voyager-series HP-15C to PC/Emulators 48
Added nonpareil-voyager-series HP-16C to PC/Emulators 48
Added nonpareil-voyager-series Source Code to PC/Emulators 48
 
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