fx-82MS fx-82TL fx-9860GII TI-83
cosh-1
On a Casio calculator you can calculate the inverse hyperbolic cosine
 .gif)
hyp cos
.gif){kind=small}
Example 1
To calculate cosh-1(1) = 0
hyp
0.cos cosh⁻¹_
0.1 = cosh⁻¹ 1
0.
Example 2
To calculate cosh-1(37) = 4.303882…°
hyp
0.cos cosh⁻¹_
0.3 7 = cosh⁻¹ 37
4.303882428