<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>symbol -- get a symbol</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="___Symbol_sp.._sp__Symbol.html">next</a> | <a href="___Symbol.html">previous</a> | <a href="___Symbol_sp.._sp__Symbol.html">forward</a> | <a href="___Symbol.html">backward</a> | up | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>symbol -- get a symbol</h1> <div class="single"><h2>Description</h2> <div><tt>symbol s</tt> provides the symbol <tt>s</tt>, even if <tt>s</tt> currently has a value.<p/> <table class="examples"><tr><td><pre>i1 : num o1 = num o1 : Symbol</pre> </td></tr> <tr><td><pre>i2 : num = 5 o2 = 5</pre> </td></tr> <tr><td><pre>i3 : num o3 = 5</pre> </td></tr> <tr><td><pre>i4 : symbol num o4 = num o4 : Symbol</pre> </td></tr> </table> <p/> If <tt>s</tt> is an operator, then the corresponding symbol is provided. This symbol is used by the interpreter in constructing keys for methods associated to the symbol.<table class="examples"><tr><td><pre>i5 : symbol + o5 = + o5 : Keyword</pre> </td></tr> </table> </div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="_local.html" title="get a local symbol">local</a> -- get a local symbol</span></li> <li><span><a href="_global.html" title="get a global symbol">global</a> -- get a global symbol</span></li> <li><span><a href="_value.html" title="evaluate">value</a> -- evaluate</span></li> </ul> </div> <div class="waystouse"><h2>For the programmer</h2> <p>The object <a href="_symbol.html" title="get a symbol">symbol</a> is <span>a <a href="___Keyword.html">keyword</a></span>.</p> </div> </div> </body> </html>