COS(X) dislpay wrong answer

[rprosperi]

(09-02-2018 02:56 AM)Albert Chan Wrote:  Approximate number (number with decimal point) always handled in approx mode, even in CAS

See http://www.hpmuseum.org/forum/thread-11296.html, post 10 by rprosperi

For the record, that comment was about the 50g, and may not apply to the Prime, or CAS mode; I frankly don't get CAS mode and it's 413,000 special function names (which must be in lower-case, unless it's Tuesday and cloudy) and other arcane rules. Not saying CAS isn't good, it very clearly is amazingly capable, it's just too persnickety for me.