      The inverse of the hyperbolic tangent is called the Argument hyperbolic tangent,
        and can be computed as <span class="inlinemediaobject"><img src="../../../equations/special_functions_blurb15.svg"></span>.
      </p>
<p>
        The inverse of the hyperbolic sine is called the Argument hyperbolic sine,
        and can be computed (for <code class="literal">[-1;-1+&#949;[</code>) as <span class="inlinemediaobject"><img src="../../../equations/special_functions_blurb17.svg"></span>.
      </p>
<p