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COS(X) dislpay wrong answer
09-02-2018, 01:02 PM (This post was last modified: 09-02-2018 01:04 PM by JMB.)
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JMB Offline
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RE: COS(X) dislpay wrong answer
An easy way to convert among rectangular, cylindrical and spherical coordinates, is to use the built-in functions polar_coordinates and rectangular_coordinates. You can see my conversion functions in the post: http://www.hpmuseum.org/forum/thread-7005.html.

Of course my functions also suffer from round-off errors. Nonetheless, the functions polar_coordinates and rectangular_coordinates deliver exact results in CAS, when using the radian mode:
   
Josep Mollera. HP PRIME, HW: C, SW: 2.1.14730 (2023 04 13).
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COS(X) dislpay wrong answer - Magnus512 - 09-01-2018, 11:46 PM
RE: COS(X) dislpay wrong answer - JMB - 09-02-2018 01:02 PM



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