PieChart

PieChart[{y1,y2,…,yn}] makes a pie chart with sector angle proportional to y1, y2, ….

PieChart[{…,wi[yi,…],…,wj[yj,…],…}] makes a pie chart with sector features defined by the symbolic wrappers wk.

PieChart[{data1,data2,…}] makes a pie chart from multiple datasets datai.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.