t">Symbol.Shape.Type.elt</a></span></code></div><div class="spec-doc"><p><code>asinh a</code> returns the inverse hyperbolic sine of the scalar <code>a</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-acosh"><a href="#val-acosh" class="anchor"></a><code><span><span class="keyword">val</span> acosh : <span><a href="../Symbol/Shape/Type/index.html#type-elt">Symbol.Shape.Type.elt</a> <span class="arrow">&#45;&gt;</span></span> <a href="../Symbol/Shape/Type/index.html#type-