the
tanh
of
factor
tanh
(
expression )
Factor and expression yield integer
s, number
s, or complex
es.
put the tanh of 2 -- yields 0.964027
The tanh
function returns the hyperbolic tangent of the value that is passed to it.
If the argument is an integer
or a number
, a number
is returned. If the argument is a complex
, a complex
is returned.