#include <chplot.h> int main() { double theta1 = 30, r1 = 2; class CPlot plot; plot.grid(PLOT_ON); plot.polarPlot(PLOT_ANGLE_DEG); plot.point(theta1, r1, 0); plot.plotType(PLOT_PLOTTYPE_POINTS, 0, 7, 3); plot.axisRange(PLOT_AXIS_XY, 0, 2); plot.sizeRatio(-1); plot.plotting(); }