abt.html#SEC_About" title="About (help)"> ? </a>]</td>
</tr></table>
<h2 class="section"> 63.1 Introduction to numericalio </h2>

<p><code>numericalio</code> is a collection of functions to read and write files and streams.
Functions for plain-text input and output
can read and write numbers (integer, float, or bigfloat), symbols, and strings.
Functions for binary input and output
can read and write only floating-point numbers.
</p>
<p>If there already exists a list, matrix, or array object to store input d