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Full Version: ArcCosh(x)
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Can somebody tell me how to enter this into the calculator - I am little rusty on this stuff.

(enter number > 1)
[left shift][HYP][left shift][ACOS]
(see "ACOSH" as [ACOS] is released.)
(view result)

NOTE: Hyperbolic functions do not work with complex-valued arguments "[CMPLX]".