ype <code>real</code> or <code>complex</code> as
strings with <a href="../Ref/String.html">String</a>, <a href="../Ref/str.html">str</a>, or
<a href="../Ref/to_file.html">to_file</a>, any of the following text formats may
be used:</p>
<div class="codehilite"><pre><span></span><code><span class="kt">character</span><span class="p">(</span><span class="nb">len</span><span class="o">=</span><span class="mi">1</span><span class="p">),</span><span class="w"> </span><span class="k">parameter</span><span class="w"