A simple CTATPieChart example for showing some basic functionality.
1/2+1/4+(0*1/8)
<div id="piechart1" class="CTATPieChart"> </div>
<div id="piechart2" class="CTATPieChart" data-ctat-tutor="false" data-ctat-ctrl-denominator="den_inc;den_dec" data-ctat-ctrl-partition="part_inc;part_dec" data-ctat-ctrl-numerator="num_inc;num_dec"> </div>