hp 17bII+ cosine, tan trig functions
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03-07-2021, 12:08 PM
(This post was last modified: 03-07-2021 12:10 PM by Gerson W. Barbosa.)
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RE: hp 17bII+ cosine, tan trig functions
(03-06-2021 08:11 PM)Lonewolf Wrote: I just just keyed in the sine function I found from Gerson W. Barbosa in a 2006 posting: Unfortunately there is no way to do what you intend because SIN(X) is not a built-in function. If you want to have COS(X), for instance, you should rewrite the above equation replacing every occurrence of the argument X with (90-X): COS=L(SX:(90-X)*(5.8177641733 1E-3+L(X2:SQ((90-X)))* ... This should work on the original HP-17B and HP-17BII, but not on the hp17bII+, if I am not mistaken, because of a flawed reimplementation of the solver on the latter. I have written a very long equation that handles the basic three trigonometry functions and their inverses, plus degrees<>radians conversions, but it won’t work on the hp 17bII+. This thread from 2014 includes an attached file that you might want to try on the Emu42 emulator, though: A very long HP-17BII equation - Update Regards, Gerson. |
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Messages In This Thread |
hp 17bII+ cosine, tan trig functions - Lonewolf - 03-06-2021, 08:11 PM
RE: hp 17bII+ cosine, tan trig functions - EdS2 - 03-07-2021, 09:21 AM
RE: hp 17bII+ cosine, tan trig functions - Lonewolf - 03-07-2021, 08:32 PM
RE: hp 17bII+ cosine, tan trig functions - Gerson W. Barbosa - 03-07-2021 12:08 PM
RE: hp 17bII+ cosine, tan trig functions - Lonewolf - 03-07-2021, 09:01 PM
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