Maxima 5.41.0 http://maxima.sourceforge.net
using Lisp GNU Common Lisp (GCL) GCL 2.6.12
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) 1+3+5+7+9;
(%o1) 25
(%i2) 1+3+5+7+9+9+7+5+3+1;
(%o2) 50
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