math arccosh for math

Returns the inverse of the hyperbolic cosine function.

Signature

> math arccosh

Input/output types:

input	output
list<number>	list<number>
number	number

Examples

Get the arccosh of 1

> 1 | math arccosh
0

Tips: Command math arccosh was not included in the official binaries by default, you have to build it with --features=extra flag