fx-82MS fx-82TL fx-9860GII TI-83
cosh-1
On a Casio calculator you can find the inverse hyperbolic cosine
▷ HYP cosh⁻¹ OPTN F6 F2 F5
or via the CATALOG as
CATALOG P
INPUT SHIFT 4 cosh⁻¹ F1
Example 1
To calculate cosh-1(1) = 0
cosh-1 ≣ cosh⁻¹ 0 EXE cosh⁻¹1 0
Example 2
To calculate cosh-1(72) = 4.969765071…°
cosh-1 ≣ cosh⁻¹ 7 2 EXE cosh⁻¹ 72 4.969765071