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<html><head><title>XLISP +</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
<hr>
<h1>+</h1>
<hr>
<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
<td><nobr>Type:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>function (subr)</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xlmath.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<p><div class="box">
<dl>
<dt><nobr>(+ <i>expr1</i> ...)</nobr></dt>
<dd><i>exprN</i> - integer or floating point number/expression<br>
returns - the result of adding the expressions</dd>
</dl>
</div></p>
<h2>Description</h2>
<p>The '+' function adds a list of numbers together and returns the
result.</p>
<h2>Examples</h2>
<pre class="example">
(+ 1) => 1
(+ 1 2) => 3
(+ 1 2 3) => 6
(+ 1 2 3 4) => 10
</pre>
<pre class="example">
> (print (+ 1 2 (* 3.5 (/ 3.9 1.45))))
12.4138 <font color="#008844">; screen output of PRINT</font>
12.4138 <font color="#008844">; return value</font>
</pre>
<p>See <a href="multiplication.htm"> * </a>,
<a href="division.htm"> / </a>, <a href="print.htm">print</a>.
XLISP first prints the value on the screen, the second number is the
return value.</p>
<p>See also:</p>
<ul>
<li><nobr>Contents → <a href="../manual/contents.htm#arithmetic-functions">Arithmetic Functions</a></nobr></li>
</ul>
<p><nobr> <a href="#top">Back to Top</nobr></a></p>
<hr>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
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