TOC135" href="maxima_20.html#SEC148">20.3.2.3 Taylor series expansion</a></li>
        <li><a name="TOC136" href="maxima_20.html#SEC149">20.3.2.4 Frame fields</a></li>
        <li><a name="TOC137" href="maxima_20.html#SEC150">20.3.2.5 Algebraic classification</a></li>
        <li><a name="TOC138" href="maxima_20.html#SEC151">20.3.2.6 Torsion and nonmetricity</a></li>
        <li><a name="TOC139" href="maxima_20.html#SEC152">20.3.2.7 Miscellaneous features</a></li>
        <li><a name="TOC140" href="maxima_2