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

Syntax

atanh( number, … )

number:: (Decimal) A number or array of numbers, the hyperbolic arctangent(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

atanh(.9)

TEST

atanh(.9) returns 1.4722194895832203