Rendering of the source text

<?xml version='1.0' encoding='UTF-8'?>
<model name="temperature_factor" xmlns="http://www.cellml.org/cellml/1.1#" xmlns:cellml="http://www.cellml.org/cellml/1.1#">
    <!-- calculate temperature factor-->
    <component name="temperature_factor">
        <variable name="phi" public_interface="out" units="dimensionless"/>
        <variable name="T" public_interface="in" units="kelvin" />
        <math xmlns="http://www.w3.org/1998/Math/MathML">
            <apply>
                <eq/>
                <ci>phi</ci>
                <apply>
                    <power/>
                    <cn cellml:units="dimensionless">3</cn>
                    <apply>
                        <divide/>
                        <apply>
                            <minus/>
                            <ci>T</ci>
                            <cn cellml:units="kelvin" >6.3</cn>
                        </apply>
                        <cn cellml:units="kelvin" >10</cn>
                    </apply>
                </apply>
            </apply>
        </math>
    </component>
</model>