<function name="tanh" parent="math" type="libraryfunc"> <description>Returns the hyperbolic tangent of the given number.</description> <description>Returns the [hyperbolic tangent](https://en.wikipedia.org/wiki/Hyperbolic_functions) of the given number.</description> <realm>Shared and Menu</realm> <args> <arg name="number" type="number">Angle in radians.</arg> </args> <rets> <ret name="" type="number">The hyperbolic tangent of the given angle.</ret> </rets> </function>