hpcalc.org - HP Calculator Archive

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.

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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


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


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


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


E-Lessons Apps, Games, Graphics, Math, Science		PC Files Documentation, PC Programs


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

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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	Copyright 1997-2023 Eric Rechlin.