Posts: 1,107
Threads: 159
Joined: Jan 1970
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? :-)
Posts: 2,448
Threads: 90
Joined: Jul 2005
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?
Posts: 1,107
Threads: 159
Joined: Jan 1970
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
Posts: 610
Threads: 53
Joined: Aug 2005