Returns the hyperbolic arctangent(s) of the specified number(s) in radians.
atanh( number, … )
number:: (Decimal) A number or array of numbers, the hyperbolic arctangent(s) of which will be returned.
Decimal
This function can be used with any value.
You can experiment with this function in the test box below.
Test Input
atanh(.9)
returns 1.4722194895832203
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