Oldie question...HPX V1N4 Space Shuttle Lander game  Printable Version + HP Forums (https://archived.hpcalc.org/museumforum) + Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum1.html) + Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum2.html) + Thread: Oldie question...HPX V1N4 Space Shuttle Lander game (/thread65857.html) 
Oldie question...HPX V1N4 Space Shuttle Lander game  Gene  11162004 Page 19 and 20 of the HPX Journal V1N4. Has a space shuttle landing simulator for the HP41. Questions: 1) Steps 109 and 155 are listed as "EXP". The other steps in the listing are fairly evident, but this one I'm not sure about. Is this "e^x"? or "10^x"? or ? The program has number entry lines where the EEX key is used to enter 1E3 for example. The program has 15 in the X register prior to this step.
2) More general question, I guess. Anyone ever try this? :)
Re: Oldie question...HPX V1N4 Space Shuttle Lander game  bill platt  11162004 Hi,
I don't know much at all about the 41c, but isn't EXP usually natural, and ALOG usually the "antilog" of Log base 10?
Re: Oldie question...HPX V1N4 Space Shuttle Lander game  Gene  11162004 True, but since the listing shows x^2 and y^x, I would have thought that the exponential function would have been e^x. That's what I think it is, but the program listing didn't explain that abbreviation. :)
Gene
Re: Oldie question...HPX V1N4 Space Shuttle Lander game  Thibaut.be  11172004 Maybe they mean EEX... ?
