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<center><h1 align="center"><a href="/sage">Online SAGE</a> Calculator</h1> 

<p align="center"><a href="/">by William Stein</a></p>

<h1>Use <a href="">the SAGE Notebook</a> instead</h1>

<a href="/sage">SAGE</a>, 
<a href="">GAP</a>, 
<a href="">PARI</a>, 
<a href="">KASH</a>, 
<a href="">Maxima</a>, and 
<a href="">Singular</a> here.<br>


Please email me at <a href="mailto:[email protected]">[email protected]</a>
if the calculator is not working correctly!

<form name="form1" method="post" action="/cgi-bin/calc/">
  <table width="80%" border="1" cellspacing="0" cellpadding="0">
      <td><table width="100%" border="0" cellspacing="0" cellpadding="10">
            <td align="center" bgcolor="#FFFFCC"><p><strong><em>Evaluate in 
                <input name="with" type="submit" id="with4" value="SAGE">
                <input name="with" type="submit" id="with4" value="PARI">
                <textarea name="input" cols="80" rows="12" id="input"></textarea>
            <td align="center" bgcolor="#FFCC99"><p><em><strong>This is the result 
                (execution automatically stops after 20 seconds):</strong></em><br>
                <textarea name="output" cols="80" rows="12" id="output">Output</textarea>
<a href="">SAGE Documentation</a>
and <a href="/sage_extra_docs">documentation for other systems</a>.

<!-- and 
<a href="">MAGMA</a>.

<li> You can use gap, kash, maxima, singular, and gp
through the SAGE interface. For example, 
   print gap('SymmetricGroup(7)')
   print kash('NumberField(X^3 + 15*X^2 - 15*X + 15)')
   print maxima('tan(x)').integrate('x')
   print singular.ring(0, '(x,y,z)', 'dp')
   print gp('ellinit([1,2,3,4,5])').j
There's also functionality of mwrank, gfan, polymake, and everything
else standard in SAGE.

<b>NOTE:</b> Use of the Magma, Mathematica, and Maple interfaces
via SAGE this way has been explicitly disabled for legal reasons.
However, online access to Magma is
<a href="">available at this site</a>.

<li> <b><a href="">MAGMA is 
no longer available from this calculator;</a> 
instead <a href="">use
this site</a>.

<li>Everything is logged, and you might find it interesting to
<a href="/calc/logfile_sage.txt">view the SAGE log</a>
or <a href="/calc/logfile_gp.txt">view the PARI log</a>.
See also the <a href="/calc/old_logs/">older logs</a>.

<!-- <a href="/calc/logfile_magma.txt">view the MAGMA log</a>, -->

<li>This server is a <a href="">64-bit Dual Opteron 248 Sun Fire V20Z</a> 
running <a href="/v20z/">AMD64 Debian GNU/Linux</a>, which was purchased using NSF Grant 0400386.

I have received official permission from MAGMA for the use of their
non-free software by this web page. Others seeking to operate a
similar web page may only do so with written permission from the MAGMA
group.  If you like MAGMA, please 
<a href="">BUY IT</a>.
<li>See also <a href="">the KASH online calculator</a>.
<li>You can <a href="/calc/calc.tgz">view a version of the code I wrote</a> to make this page.</li>