Online calculator simulators?

07102022, 04:48 PM
(This post was last modified: 07102022 04:50 PM by pauln.)
Post: #24




RE: Online calculator simulators?
(07102022 06:18 AM)jonmoore Wrote:(07102022 03:28 AM)pauln Wrote: This is a great observation. I have always found this test a little bit arbitrary and dubious, for the exact same reasons.[...] BTW if the test is performed with radians, all decent calculators resolve to 1 without any roundoff error. [...] That's funny! To say the truth I had only checked on the TI57 and TI59. From that point of view they are not decent calculators : ) (they don't resolve to 1 exactly). But I see other calculators resolve to exactly 1. Definitely not a great test. (Maybe 1.111..1 sin cos tan arctan arccos arcsin in radians?) Actually the original test (9 sin cos tan arctan arccos arcsin in degrees) is great to verify that 2 different calculators use the exact same algorithm (but not necessarily to test the quality of these algorithms). 

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