Purpose
Get inverse hyperbolic tangent of number
Return value
The inverse hyperbolic tangent.
Syntax
=ATANH(number)- number - The number to get the inverse hyperbolic tangent of.
How to use
The Excel ATANH function returns the inverse hyperbolic tangent of a number. Given 0.5 as input, the function returns 0.549306144 as output.
=ATANH(0.5) // returns 0.549306144
Explanation
The hyperbolic arc tangent function is the inverse of the TANH function.
=ATANH(TANH(x)) // returns x
The plot below shows the output of the ATANH function in Excel.
Notes:
- Given output greater than or equal to 1.0 or less than or equal to -1.0, throws a #NUM error.
Related functions
TANH Function
The Excel TANH function returns the hyperbolic tangent of a number.
