| AstroLib 4.1 (details) | 49/50 ENG 15 KB / 21 KB |
 Provides functions for setting the local time variable, the Dead Reckoning position, Long and Lat and, from these variables, computing the positions, magnitudes, and phases of the stars, planets and moon, and more. Requires DateLib. | |
| By Robert H. Parry and Khanh-Dang Nguyen Thu-Lam. | 2006-02-22 |
Contains many date and time functions, including when Easter is, what the current GMT is, the Julian date, the week number, and more.
Allows anyone with a telescope equipped with an equatorial mount and setting circles to point and view without any polar alignment. The need for polar alignment is eliminated by a unique system which relies on 2 guide stars.
Modified version of EPHE, written by Jean Philippe Eimer. Most routines have been converted to System RPL, hence a faster program. This version only works with the HP 49G/g+.
HPlanetarium is a free (GPL) planetarium for the HP 39/40/48G/49/50 in which you can move, zoom and unzoom the sky map "in real time". Equatorial/azimutal coordinates, rise/transit/set times, elongation, magnitude and diameter can be computed for main planets. You can also point a Meade telescope, and there is an ephemeris generator. Source code for the HP 49 is provided. A light version (only 24 KB) is available for the HP 48G.
JMOON2 allows you to view present, past and future positions of Jupiter's most commonly known moons (Callisto, Europa, Io, Ganymede).
Music interpreter which plays polyphonic music, ported to the HP 38/39/40. Not compatible with the ARM-based models.
Adaptation of the famous "Mille Bornes" French game, written in System RPL. Only for the 49 for now.
Nosy allows you to interactively see into the ROM. It allows to quickly "surf" through a routine and peeks into flash pages. This modified version supports the larger screen of the 49g+ and 50g.
This is a nibble like game in grayscale, with maps and high scores support. Sources in MASD syntax included.