Returns the hyperbolic arccosine(s) of the specified number(s) in radians.

Syntax

acosh( number, … )

number: (Decimal) A number or array of numbers, the hyperbolic arccosine(s) of which will be returned.

Returns

Decimal

Notes

This function can be used with any value.

Examples

You can experiment with this function in the test box below.

Test Input

acosh(2)

TEST

acosh(2) returns 1.3169578969248165