The Museum of HP Calculators

HP Forum Archive 17

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HP 35S trigonometry accuracy
Message #1 Posted by hpnut on 18 Oct 2007, 5:27 a.m.

Hi,

I found this article which says "In some case its accuracy goes down to seven digits or less which is not acceptable as the scientific calculator that features internal 15 digits precision." disturbing.

HP calculator not accurate?

The full article is here

http://www.finetune.co.jp/~lyuka/technote/trig/tan-hp35s.html

      
Re: HP 35S trigonometry accuracy
Message #2 Posted by Karl Schneider on 19 Oct 2007, 3:14 a.m.,
in response to message #1 by hpnut

I'm sure that Lyuka is the one who started the recent thread in which I posted a tabulation of results for several calculations:

http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv017.cgi?read=123880#123880

-- KS


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