Documentation/How Tos/Calc: ATANH function
From Apache OpenOffice Wiki
ATANH
Returns the inverse hyperbolic tangent of a number.
Syntax:
ATANH(number)
- returns the inverse hyperbolic tangent of number, in other words the number whose hyperbolic tangent is number.
- number must obey the condition -1 < number < 1.
Example:
ATANH(0)
- returns 0.
